The biggest question is why anyone is obsessed with or cares about his vaccination status. Or if he has a booster. If your opinion of him changes because of that status, you have some serious issues you need to resolve. That goes for those who hated him when unvaxxed, those that like him now because of it, those that praised him when he wasn't, and those vilifying him after.
The reality is, it will be years before we are able to tell the true efficacy of vaccination and boostering, to really evaluate all the "data" we have and filter out the inherent noise that has been a part of the data, and to see exactly the long term effects of this vaccine, and modified mRNA/lipid nanoparticle based vaccines.
Go spend your energy on something important.