As someone who was in college at roughly the same time, this doesn't sound like what I remember. Google scholar shows lots of academic discussion around reparations at that time (I'm assuming you mean for slavery, so I searched specifically for that) [0]
I'm sure it depends on what institution you were at and who you spoke to, but I don't think it was at all a taboo concept generally speaking in American academia.
Edit: Further googling found that there were even state legislatures creating legislation or resolutions in favor of reparations in the 1990s[1]: "In 1990, the Louisiana House of Representatives passed a resolution in support of reparations. In 1991, legislation was introduced in the Massachusetts Senate providing for the payment of reparations for slavery, the slave trade, and individual discrimination against the people of African descent born or residing in the commonwealth of Massachusetts."
[0]: https://scholar.google.com/scholar?q=reparations+for+slavery... [1]: https://www.aclu.org/news/racial-justice/reparations-has-the...
In any case, those scenarios are different from academic freedom in what I think of as the more typical sense, in terms of scholars being allowed to pursue and publish on whatever research topics they like. Reparations were not (I believe) outside the realm of academic freedom in the 1990s that sense.
So people would dismiss you? Did they do anything else?
Did they try to get you punished? Did they try to get you kicked out of school? Did they try to shout you down or pull fire alarms to prevent others from hearing what you had to say? Did they physically attack you?
What you're doing is trying to isolate and relate what I was going through, but through your own lens and you can't much do it that way.
For example, I was fortunate to go to an Ivy League school and as a black person that felt like a huge privilege, one that I damn sure was going to stay within a certain set of behaviors to keep. You can't measure "academic freedom" without that kind of context.
Again, maybe I/we misread and perhaps had more room to speak than we thought. Probably did. But again, just painting the picture for you.
The suppression today involves professionally disasterous public things like firings, censures, formal censorship, pressure to sign petitions, reputational destruction, doxing, physically threatening pressure and screaming and possibly violence, etc. If only it were eye rolls.
Specifically, you're missing how then, e.g. white conservative majority power didn't need formality to suppress. That's how majority power works. It can just good-ol-boy network its way to suppression. (And note how it doesn't need to be precise when it's like that. It doesn't have to "make an argument," it can, e.g. just deny tenure to the loud black lady on some random grounds.)
Formality is usually what the WEAKER side must resort to. Now I think there's a reasonable argument that that process is much stronger in a negative way today -- but context.
I support government subsidies (either explicit or through beneficial taxable status) of academic institutions in the hopes that they can create a liberal culture where any and all ideas are open for consideration. If as institutions they don't want to create a place where freedom of thought is paramount, that's fine; but at that point I don't see any particular reason they should be eligible for subsidies.
As for you, you should feel free to attend or not, but I'm not interested in subsidizing you sitting in a classroom but only hearing ideas that never challenge you.
But that doesnt infringe of academic freedom. It infringes when you have some mechanism that removes it. Such as censorship or punishment.
Simple metric. Look at the makeup of "tenured faculties" back then. Overwhelmingly white and very male. Do you seriously believe that such a make up could nonetheless provide a diverse cross-section of thought?
And now for a case of real infringement of academic freedom:
https://quillette.com/2018/09/07/academic-activists-send-a-p...
I think we'll probably all agree that the juice isn't really worth the squeeze here, though.
And by reprisal I mean the following: if I were to merely discuss --as in, not advocate for, but merely discuss as a concept -- reparations, I'd immediately be dismissed and generally forever known as the angry black guy.
Of course, not to purely blame white people I suppose, that was just the "way things were." In retrospect, the line someone like me had to walk was far narrower back then.
We do have problems today, but I do not see a huge gap between those then and now.