A2PK5J vs A0RGCS vs A2PLS9

Yesterday I came across the ETFs mentioned in the title. Regardless of the question of whether you are looking for All World or just Developed World, why are they so rarely discussed here? The A2PK5J (UETW) has only 0.06% TER. The A0RGCS (SC0J) even has only 0.05% TER and does synthetic replication, which can probably even save US withholding taxes (ok, probably not relevant for most people here)? The A2PLS9 (VHVE) has 0.12% TER, which you can still see mentioned here sometimes. With the all-world ETFs, a uh