Magic Man
Reaper of Conversation
You said it was "unequivocally false to claim Islam supports" X, Y, Z, etc.
Unequivocally false means that it is clear and unambiguous, without any hint of doubt, that there is no support for killing apostates, to cite just one example. Yet millions of Muslims (hundreds of millions) disagree. A minority? Perhaps, but a substantial one. It certainly undermines any claim that this position is unambiguous.
OK, you're confusing the issue here. Saying "Islam supports X" is false doesn't mean no Muslims support X, and it doesn't mean "Islam doesn't support this". What it means is simply that the original statement isn't true. Islam neither supports nor opposes some things. Saying "Islam supports killing apostates" is false, but that doesn't make "Islam doesn't support killing apostates" true either. The best way to say it is that some Muslims support killing apostates, while others don't.
Islam is a religion. Religions have doctrines, teachings, and traditions. Abrahamic religions in particular have scriptures, which are deemed inerrant and infallible.
No one in this thread is claiming that "all Muslims support death for apostasy, the execution of homosexuals, the use of amputation and crucifixion" or anything else. What they are saying is that there is clear and unambiguous support for these things within the religion of Islam. There is no such clarity for the opposite claims, that there is no support for these positions within Islam.
Then say "There is support for death to apostates in Islam". There's nothing wrong with that. It's only when you state it as "Islam supports death to apostates" that you run into trouble.