Thats your belief but you are wrong.
Do you not consider cammers or dommes for example sex workers?
no, i don't consider sex cams work as sex work.
If I act in a movie the role of a football player, am I an actor or a football player?

women (or men) performing in front of a camera in a "sexy" way are entertainers in my view but not sex workers.
are actors playing a role in a erotic thriller sex workers? no they are not.
if kate winslet performs a sex act in part of her movie scene for a Hollywood film, she won't be regarded as a sex worker.