Is there anybody who thinks their 21st century output is even close to their 20th century? There are only two 21st century albums I still listen to (SOE and NLOTH), the rest as far as I'm concerned are very mediocre, and wouldn't have interested me if I wasn't already a fan. The 20th century had 10 albums (I think of Passengers as an album) and I still listen to all ten.
I can still listen to every album up to and including Pop as entire albums, well maybe not R&h but that's due to it's overall mish-mashness and not necessarily due to the quality (although WLCTT and LRM are pretty bad)
Everything thereafter has to go on to playlists, there's a decent amount of good, a bit of great but also a ton of crap.
A precipitous falloff of levels I haven't seen with any other band I have liked over the years.