I wouldn’t put it at 50% unless the number of good players you are referring to is like 10 and LIV has Phil, Rahm, DJ, Bryson, and Koepka as half of them.
It’s like 1/3. You mention Meronk. He’s a fine player, but his career high ranking is 39, he’s never won a major, never won on the PGA Tour, and he didn’t make the Ryder Cup team because they thought he wasn’t good enough despite all his Euro tour success.
And some of those interesting players like Mickelson, Stenson, Poulter, Westwood, Casey, Garcia are towards the end of their careers.
I would say LIV has like 10 relevant golfers at a time (Rahm, Koepka, Bryson, DJ, Niemann, Reed, Hatton, Smith), and then pick or choose your choice of two okay players like Gooch, Varner, Kokrak, Pereira, Ancer, Meronk who can get hot and win. There are at least double that not on LIV who are just as relevant. JT is ranked 23 in the world and of the top 22 only two are LIV, so there are 20 non-LIV ranked higher than someone who unquestionably is a star.
And LIV only has like 4 of the better younger players (Wolff, Puig, Chacarria, Surratt). There are probably double or triple committed to the PGA Tour (or the feeder tours) or amateurs who’ve not made a decision.
I agree though that it has been a terrible start to the season, and they really need a big name to win the next event for some positive momentum.