@herman, I would have thought it obvious that
Agreed, cheap digital has come a long way, but it was important for it come a long way - the source was, and is the most important thing to get right. Cost is not an issue here: just because you can get a source that satisfies you for $100 doesn‘t make it any lesser in importance. It may cost you considerably more to acquire an agreeable analogue front end.
"the single most critical component."would be the one that was the weakest in the chain, and that the OP was arguing that speakers had greatest potential to fulfil that criterion.
Agreed, cheap digital has come a long way, but it was important for it come a long way - the source was, and is the most important thing to get right. Cost is not an issue here: just because you can get a source that satisfies you for $100 doesn‘t make it any lesser in importance. It may cost you considerably more to acquire an agreeable analogue front end.