There's understanding disagreeable viewpoints and the there's failing to adhere to the paradox of tolerance.

There's no reason to steelman "black people shouldn't exist in the US", as the most extreme example. I can steelman it, but what am I getting out of this? What am I professing to an audience to steelman this? Steelmans are used to build empathy and sh synthesize solutions taking multiple viewpoints into account. This is the opposite.