We all know after Elon musk took over the twitter there are so many things happened like
He recently fired C.E.O(Parag Agrawal) and Head(Vijaya Gadde).
After the fact, Twitter is not by any mean a profitable company, so why not make another rule?
That's where he made a new change to Twitter policy, especially for those who are Verified or want to have a Bluetick on their profiles.
You can check out this official announcement tweet to make things clear.
Twitter user reactions over $8/mo policy
more reactions over $8/mo policy
some trolling over $8/mo policy
elon musk savage replies