There is no difference in tours.
Betting with DG on the PGA Tour is profitable and betting with DG on the DP World Tour is profitable.
There will be variance of course but you should not treat tours differently, when you bet on golf.
Every once in a while, there will be a tournament with absolutely massive EV on certain bets. Sometimes on DPWT, sometimes on PGAT.
volume might be different, but we should not expect different results from different tours. Even LIV.