Visions has always struck me as an interesting project. Star Wars has made quite a bit of good (and bad) animation so to see an anime from them has me intrigued. Here's where I think the show will have more of an impact though - Disney+ has no anime content currently asides from a Marvel series that was anime that got little attention.
Disney+ has over 103M subs (probably well more by now). This will be entry-level anime content for a large amount of young kids. It's no secret that if anime wants to have any sort of sustained mainstream success, it needs to grow itself and this is growth, as it will bring in a whole new subset of people who normally wouldn't watch an anime project for the show. If even 1% of those 103M became new anime fans, then that's 1.3M NEW people who are going to be looking for something else next.
I'm not an anime fan myself, but I also don't dislike it. I have no opinion either way really, but I do intend to give the show a chance.