Quad 405-2 opamp advice

Both of them then, because Cagomat doesn't express any doubts either, even though he, she or it probably expresses an opinion based on utterly unreliable listening tests.

Are you looking down on this forum member? Why would she or he express doubts? Why don’t you have doubts about your own thoughts based on theory and not practice? So is it really utterly unreliable for sure?