It's NOT the best, but the best for HIM.
It'll always be a personal choice.
Just go to a local guitar dealer and just grab a couple and check them out, to see what works best for you.
(It normally doesn't take longer than half an hour)
I usually play Jazz III picks, because thanks to the small size they're very accurate and it makes pinched harmonics a lot easier. But I use normal thin/medium plectra for acoustic chord work, because they sparkle more.
SO I already have a couple of opinions with some personal arguments, just try for yourself and see what the goods and bads are in YOUR opinion.
Greets, Sebas.