Yes but if you are going to give half-assed reasons for uninviting him, then you are going to have to defend yourself. If they had said: " Unfortunately Douglas

Yes but if you are going to give half-assed reasons for uninviting him, then you are going to have to defend yourself. If they had said: " Unfortunately Douglas Crackford will not attend the conference for unforeseen circumstances", we would not be in this outrage. If you are going to publicly shame someone and possible harm their career, you better have proof that he has done some very horrible things or comments. Listing a possible twitter message calling someone stupid does not sound like a reasonable cause too me. That is why we are voicing our concerns, and why hardly anyone here is agreeing with you.