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