There's no acceleration here. Vintage Macs are 100% obsolete. They can't get any more obsolete than that. They can, however, become MORE relevant for hobbyists through the development of new software for them.

What could be better than that?

You are aware that there's a huge retrocomputing community around the world that with hearts and passion preserves old machines and software?

How is AI making old hardware obsolete faster?

Life isn't black & white

To me it proves that a technology can be understood and implemented by one person.

Can hardware became more obsolete?