This video is a bit contorted expression of a truth :
https://www.youtube.com/watch?v=Zrp-2JPSoYE
One commentary under it give a gist of it :
«The problem with modern jazz is that, to a considerable extent, it is being written and performed by college professors instead of drug addicts.»
I am myself not a musician and not competent to give my opinion. But i like the less virtuosity and i love the best expression. Also i listen more with my heart than with my brain. It is perhaps why i love Chet Baker and Bill evans so much...
Or Armstrong and Miles Davis before some point in time.
Also i like some european and Japan jazz...Paradoxically because it is a bit away from jazz roots...