Because the people in charge are morons and the public is full of morons and the morons in charge are scared that the morons of the public will get mad and make

Because the people in charge are morons and the public is full of morons and the morons in charge are scared that the morons of the public will get mad and make a big deal about some inconsequential bullshit like "your llm said a naughty word!!" And that's why we can't have nice things.