>>58687892The same reason they went back to forcing you to start a battle with mons to capture them in SV after PLA let you catch Pokemon without initiating a battle.
The two games were being developed concurrently, therefore they couldn't lift from each other without risking homogenizing into identical products.
Gen 10 will no doubt bear the fruits of both PLA and SV's combined efforts, due to not being developed concurrently with either, but you won't see if LZA goes anywhere meaningful until Gen 11, because LZA and Gen 11 were being developed concurrently.