I actually like PS.
End of the day, the benefit of a better seat is feeling better upon arrival.
TATL, this means minimal jetlag. PS scores here (A350 and 767-400).
And at my age, it's not hard to feel like crap.
PS ATL<>AMS and ATL<>LHR were really good for me.
Eastbound (USA > EU/UK) amenities were better, but Westbound (home for me) had better FA's.
Note - I clearly prefer business class, and KLM has been awesome on the 787-10. Now that they're back to the 777, I would much prefer Delta... except... 3M3 craft...