They “get the job done,” perhaps even provably, but:
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It’s less flexible for fighting anti-adblocking.
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Hence, it’s more work for Adblock devs/listmakers to maintain.
You can see the UBO devs already complaining/stressing about it. Hence them recently dropping Facebook from their 1st-party lists because they’re tired of fighting paid devs, or increased reports of UBO Lite specific issues.
I think that’s Google’s real intent.
They aren’t trying to kill adblocking, just make it inconvenient enough so the vast majority don’t use it effectively. It’s a form of “soft” censorship, sort of.