As "fairway' mowing heights around greens have gotten closer to green heights,there is less reason to do anything but putt. I often tell my amateurs if they were on the green with a 50 footer, they wouldn't consider anything but a putter-so why when only 10 feet off the green on a topdressed,tightly walk mowed, rolled approach would they do anything BUT putt.
So putting from off the green has gotten has gotten significantly easier is one reason you see more of it.
But the real reason is turf is so tight(and often wet to keep it alive)that chipping, pitching and lobbing have become significantly harder.
25 years ago there was too much rough around greens and the trend began to reverse, BUT the real problem is turf height and the overemphasis of fast(often at the expense of firm)
You can measure fast, so it gets all the accolades, but the real victim has been firm, and the complete loss of creativity as we're back to one option at many places.
Years ago Tom putting from off the green was novel and creative.
Now it's pretty much the ONLY play, unless highly skilled, so why bother with the risk if it's easier.
Another area design, redesign, maintenance has over jumped the shark IMHO.
One thing I will say about Palmetto with its older bermuda, overseeded rye turf.
It has some of the most demanding short game shots and green anywhere, but they have the turf the right height and firmness to actually allow there to be a range of options.Yesterday and Friday I played hooked 8 iron runner, putter, 5 wood, L-wedge and basic SW.
The tradeoff is the overseed is a bit shaggy in the fall and we lose the great semi-dormant experience while the overseed is germinating/maturing-but the spring is really good-when dormant bermuda can be really dicey.
Now if we can just keep the turf salesmen away(the billy bunker guys already got us
)