Also, have you considered the Framework Desktop?

https://frame.work/desktop

It’s in your budget, and has 128GB of unified memory (shared between the CPU and GPU).

It doesn’t seem like a very “walled” garden if they were able to migrate all their data including issues and comments

You’ve never been to rural Japan if you think they primarily use public transport.

Hell, even in the outskirts of Tokyo most people have cars and drive.

That said tho, there’s no excuse for urban city centers to not be walkable.

Pity. I would kind of like to know what the scam website is.