That's exactly the point because it's a template. I'll likely have value from it once so I'd expect to pay for it once, especially since I'd be allowed to use it on one site.

The fact that they continue to improve it doesn't matter to me because I'd not use it again.

It's basically a theme. I'd equally not pay for a theme on a sub.

Re: fixed bids and bugs, ten years is an exaggeration. A one year warranty, on the other hand, is pretty much expected.