There seems to be a lot of angry nerds in here, and that basically describes me too. Hoping I can get a response from somebody with a broader perspective:

I'm in a position to switch my company over to one of the many alternatives mentioned in this thread. Has anybody here actually done that, and if I do it how angry is that likely to make my non-technical staff? If I don't want my marketing guy and my customer support team to hate me, can I still switch my company over to riot.im or mattermost?