If you go into the user's profile > Activity > reputation, you can see the user's reputation history:
The user got an association bonus of 100 reputation points. If you have more than 200 reputation points on one Stack Exchange site, you get an association bonus on all sites (including the one where you earned the 200 reputation). This is meant so that you don't have to go through new user restrictions every time you create an account on a new site, so you can post images, comment, upvote etc directly when you create an account if you're trusted on other sites. You can read more about the association bonus here.
In this specific case, the user chose to hide their Movies & TV account so only that user and moderators can see the user's complete account from Movies & TV (or see the user's Movies & TV account from another site).