I disagree. I think someone with Ortofon A95 does not need to hand-wring about Lyra Etna or Atlas, but there is a big difference in texture, timbre, style of a Koetsu and an Ortofon, and one might prefer the other.
It was a general consensus among 4 people two weekends ago that Elrog, though beautiful, should not be the stock tube. It is very good at spotlighting certain instruments and vocals. The PX4 was unanimously preferred. We still have to shootout between PX4 and the Special Lampi 45s. The PX4 was better for both rock and orchestral, and for cello it was outstanding. Elrog seemed to be more of the occasionally change for a beautiful color kind of tube. I am keeping my Elrogs. I will also get the PX4 or the special 45s. We still have a couple of shootouts on different systems.