Just to point out, no one is saying you shouldn't use whatever you enjoy. If you like it, go for it! 
Only saying it would be hard to argue such an amp is more 'transparent' than a good solid state which is what SM seemed to say. We probably take transparent to mean different things? I would take it to mean accurate, what goes in comes out with very little change apart from being louder.

Only saying it would be hard to argue such an amp is more 'transparent' than a good solid state which is what SM seemed to say. We probably take transparent to mean different things? I would take it to mean accurate, what goes in comes out with very little change apart from being louder.