I don't know what's going on. All I can say is that Bernstein recording of the 5th with the Vienna Philharmonic on DGG sounds gorgeous on my system.
@twoleftears: this is so true. That has to be the ne plus ultra of 5ths. In the Adagietto, you can hear the sweat coming down Bernstein's face.
I have an amazing Bernstein story: when I was heading back to college in NY from thanksgiving holiday at my parents' house in the early 70s, I got to the Pittsburgh airport and the Allegheny Airlines agent at the counter (a guy) said to me, "would you like to sit in first class?". Being the son of a steelworker, I said "hell yes!". I got to the plane and walked aboard, and there, sitting in the seat next to mine, was Leonard Bernstein, smoking a cigarette with a cigarette holder, and a big smile on his face. He talked my ear off the whole flight, asked me to call him "Lenny", and gave me his phone number, telling me to call him and come to Avery Fisher Hall to see him. I was NOT a music major, but I sure knew who Leonard Bernstein was.
It wasn't until years later that I figured out that my "upgrade" had been paid by Bernstein, who undoubtedly told the agent to put some young boy in the seat next to him, as I was unaware, when the flight occurred, that Bernstein was bisexual and partial to young white men. Yes, I do tell people that Bernstein tried to bed me.