I honestly do not mind it one but. I quite like the interface. It’s minimal but there are some bugs to it which is to be expected. I really do like the overall design of it though. There isn’t too much going on. It’s like old Reddit which I am a big fan of
Can this be applied to the site theme so everyone has it by default? And where?
AFAIK it can be applied to a server/instance so that everyone on that instance has it by default. To use it yourself across instances, I recommend the Stylus extension