It depends on what it is. I generally don’t expect an artist/creator to be what I’d consider a good role model.

Some examples:

Dave Grohl (lead singer/guitarist of Foo Fighters) announced he fathered a child outside of his marriage. I consider this morally wrong, but it has no impact on my enjoyment of the music.

J.K. Rowling being an outspoken transphobe has had an impact on my ability to enjoy Harry Potter. Not that I was ever a super fan, but I enjoyed the movies well enough. But discrimination against an entire group of people is too significant to me to keep the art separate from the artist.

I share your sentiment about MAGA people in general. But in this situation you’re also saying it to a 15 year old kid about their Grandpa. I think it’s a situation that calls for more tact.

Reasonably well traveled American here. 10 countries over 5 continents as of this comment.

You should go and see the world. It’s an amazing experience! I think wanting to learn more languages is commendable and I hope you do. But even if you don’t, don’t let that stop you from traveling. English is widely spoken, especially in the service industry. And translation apps, while clunky, work well enough.

Your Grandpa doesn’t sound like he wants his mind changed. I say that partly from what you said, and partly because I know the type. And it’s hard to convince anyone who isn’t interested in changing their preconceived notions. Which is sad, being stuck in a box of his own making. I can understand you wanting him to see it the way you do. But if you can’t, that’s not your fault. And he can’t hold you back unless you let him.

Lemmy.ml has some pretty active communities on it. Might be worth it for OP to look over their most active communities and see if any interest them. If so, you have the option of blocking communities instead of the whole instance.

Lemmygrad and hexbear pretty much stick to their sociopolitical beliefs. If that’s not your bag, then no real loss in blocking those instances.

I imagine a good number of people will fall for this. Tech illiteracy is the norm.