Well there is a difference between "strong criticism" and "inciting hate", "public shaming" and "demand exclusion".

Really? What is it?

How would you like if people suddenly claim they feel offended by that and demand you be banned from giving presentations?

Over that? I'd apologise and try to avoid it in future. Profanity certainly isn't worth offending members of the audience - I'm perfectly capable of being funny without any swearing.