I mostly agree, with a few exceptions including RME, Apollo, Genelec and a handful of others.
That goes without saying of course. Though even they, aren't state of the art (though ADCs from RME seem to be; but since we're not too rife with ADC reviews, it's tough to really know).
Apollo seems okay, nothing to write home about.
While Genelec I would agree are good in the speaker realm, though with the new gen stuff from Revel & Co., I think they could be doing better, seeing as how their designs are active speakers. And with active, they shouldn't be running toe to toe with passive designs in my view, especially considering the newer Genelecs that are coaxial seem to also have that inherent design advantage on top of being active.
But speakers are beyond the topic here, and almost all of them seem to be a game of darts (along with headphones) up until the last decade or half decade when folks like Genelec started to bring objectively great performing stuff. But some of their pre-coaxial stuff isn't all that great in my view for the price. And by that fact, I wouldn't expect their "Pro" stuff to be much better, since they seem to push performance with their entire portfolio, and not be like some annoying companies, that artificially segment the fruits of their R&D.
But speakers are another ball game in general that I feel have tons of room for improvement in the general sphere (along with things like headphones). So "state of the art" seems to be too much of a moving ball to then take an assessment of the general spread of pro gear that is usually made, and then used for years and not often replaced. To me, "Pro" production studios at least, when I see they aren't sporting something like floor standing Revel's, and are just making use of active monitors - it makes me realize their standards are low enough to where non-state of the art AMPs or DACs make sense. But maybe it's just me, and a stupid idea I have about the industry. For me, if I had client's walk into my studio, and I didn't have literally one of the best objectively verifiable speakers, it wouldn't sit right with me knowing I can't rock the socks off when playing back something to my clients, and have to rely on simply bookshelfs, especially if the demo area is large enough.