I want to assume you are asking in good faith and really aren't aware of academic administration's attempts to silence specific and common viewpoints.

Your comment surprises me, because at this point, there really isn't any contention over the fact that universities have been doing exactly this.

So while I am assuming that you don't actually know, I'll give you a short list of links (I'm not doing research that takes me more than 5m).

> What did US universities do to "silence all opposing viewpoints" on any issues?

https://www.forbes.com/sites/musbahshaheen/2024/06/05/stop-r...

https://www.timeshighereducation.com/blog/diversity-statemen...

https://www.thefire.org/news/anti-free-speech-trends-campus-...

https://www.thefire.org/facultyreport

https://www.hrdive.com/news/stop-requiring-diversity-stateme...

(UK, but still the same idea) https://www.thetimes.com/uk/education/article/kathleen-stock...

https://www.thefire.org/news/speaker-disinvited-uncomfortabl...

https://www.businessinsider.com/list-of-disinvited-speakers-...

And, finally, some charts: https://www.thefire.org/news/blogs/eternally-radical-idea/ne...

    Analysis of the data FIRE has collected reveals a clear political trend in the likelihood that a speaker will be targeted with a disinvitation effort. Speakers are far more likely to face disinvitation efforts from opponents to their political left than from those to their right. Since 2000, those behind the disinvitation efforts targeted speakers with views more conservative than their own nearly three times more frequently (97 attempts) than they targeted speakers with views more liberal than their own (36 attempts).

The takeaway is that the right-leaning students and administration are far far more tolerant of speech from the left, than the left-leaning students and administration are of speech from the right.

It pains me to say it, but it aligns with my experience.

> Did they kick students out of school because of their viewports? Claw back their financial aid? Get them deported? Physically harm them?

None of that is required to silence opposing views.

> I sure don't remember things like that happening in widespread manner to conservative students, let alone happening in a way that was organized top-down by the universities' leadership.

"Allowing only one viewpoint" doesn't require that the university administration has a top-down directive to expel students, only that they allow one viewpoint and silence the other.

Once again, that this happened is not in dispute, so I am left wondering where you were going with this response.

A university president makes a case against cowardice