" more popular a user gets (say Gaga with 7.3m followers), every tweet they make needs to be delivered 7.3m times" - Do they really need to duplicate the same

" more popular a user gets (say Gaga with 7.3m followers), every tweet they make needs to be delivered 7.3m times" - Do they really need to duplicate the same tweet 7.3 million times? The tweet cant be edited too!