You ever walk into the bathroom at work and find someone else's shit fully clogging the toilet that you now have to fix?
That's why.
It's perfectly within your capability to plunge someone else's shit down the toilet. It's not even difficult.
Why can't you be happy with this solution? They gave you a plunger, it's not like you're clearing the toilet with your bare hands!
In this example, nearly every other company in existence gives their employees nothing and asks them to use their hands (forcing AI with no option).
It's hard for me to look at Google, Win11, M$ office, and then complain about Firefox.