I understand that at least in some cases, Christian bakers where asked to produce a message in writing as offensive to them, as the message this guy asked homosexual bakers to produce.
Well, in the case that has lead to an actual legal action, the bakers refused to make the cake before the appearance or content of the cake was discussed. That's a big part of why they got in trouble. You can't claim free speech or free expression when you haven't even heard what, if anything it is that you're being asked to write.
While baking a cake certainly isn't an endorsement of one POV or the other, it seems like an abuse of one's rights to me, to force them to write something they find morally or religiously wrong.
I think that's essentially true. Or at least there's a real legitimate free speech and free expression case to be made.
Extremists on both sides seem unwilling to live and let live: they want to force everyone to agree with them.
I think that's false balance. Even if you allow that the LGBT activists have been overzealous, they are fighting for long-denied rights, and we should be able to rely on the law and the courts to reign them in if they go too far. This guy in the videos is trolling in defense of long-held privilege, and against civil rights.