But the university isn't "your" platform. It's "our" platform. Why would exactly you get to choose what ideas to present (and amplify)?
In case there are any illusions, the hate-mongering trolls are not there to engage in intellectually vigorous debate. They are there to buy themselves a patina of respectability by attaching themselves to these respectable brand names. These institutions would be fools to allow themselves to be used that way.
History also hasn't taught "liberals" that words loose meaning if you overuse them. If every man is a "rapist", every comedian is a "racist" and everyone who oposes illegal immigration is a "fascist", those words lose all meaning.