Towards the end of it's dev cycle I think Snow Leopard got pretty good.

I do think about this article though: https://www.rubenerd.au/the-myth-of-snow-leopard/

Obviously (to me anyway, maybe folk disagree) comparing a new release to the previous versions last release (with years of bugfixing) wasn't totally fair, but my experience with Snow Leopard wasn't great either and I wonder if it wasn't quite the peak everyone thinks of it as.