Actually, especially from a symbolic (message-sending) point of view, no.I'd draw the line at pies-in-the-face and false fire alarms, though.
Protesting against giving a disingenuous hatemonger a platform is fine. I support free speech, but that doesn't mean I'd let someone put up a racist sign on my lawn.
However, there are lines as to what acts of protest are acceptable.
I think there's a difference between a speaker whose ideas may be offensive and a speaker whose idea is to be offensive.
They should have let her speak, with no booing, cat-calling or any response.
Not clapped or reverse at the end, just she leaves. In essence, she gets no reaction.