Yes. Yes. The only thing (well not the only thing) is that it is crowd sourced so the data is not flawless.

I don’t think it matters. After all you listen to the music because you like it.

No love for Harbeth?

I have a Rotel amp and have had many other brands. For the $$ they are excellent. Always envious of Mcintosh gear. All I would say is my friend has a tube power amp and it’s gone back to the shop three times. He has had it for 3 years.