Speak for yourself. As another fren pointed out, you can't expect people to give up their favorite forms of entertainment that they have been accustomed to for generations. You were bold and wild enough to boycott the MLB? Good for you. Trying to shame people and calling them a cuck because you have this mental superiority going on doesn't help anything or anyone. You're no better than the people on twitter.
Unfortunately, at the risk of losing your job, not much. Even if you were to speak up, it's not likely to reach the minds of the kids nor the parents and will probably not end well for you. As a resident, I'm convinced NJ is filled with zombies