every google result for a broken lightdm restarting suggests you to go to one of the ttys using ctrl-alt-f# but you can't access the ttys if lightdm keeps restarting and therefore stealing the screen away from tty
lol the contempt in this thread is exactly the problem i find with linux desktops and this has never, ever been solved to this day https://ubuntu-mate.community/t/do-gnome-extensions-work-in-mate/13829/7
how do you fix anything on a linux system when you can't access the terminal and every solution to a linux problem is a terminal command lmao
linux is never going to be a desktop operating system