I never understand people who claims "Don't use X" (about software). If you don't like X - don't use X and calm down, don't be a bigot crying "you all are doing

I never understand people who claims "Don't use X" (about software). If you don't like X - don't use X and calm down, don't be a bigot crying "you all are doing it wrong" - let people make mistakes. Maybe some of them will find right solution on the next step, just don't stay on their way.