The last bit is pretty clear IMHO:
> Every Hackintosh continues to add momentum to that platform ecosystem, enriching it so that Apple can continue on more or less as they want.
I use Linux (and OpenBSD occasionally) these days, and I do so in part so that I can sometimes be the guy who sands off a rough corner or two. Even by using the platform and occasionally submitting bug reports, you’re enriching a platform that may be the last un-nerfed general purpose computing platform standing.
I read their argument as "some people say it's immoral to run a hackintosh, but I think it's not immoral because Apple isn't providing their consumers with a valid alternative".