A fair point. But if they can't have a cliff today there isn't any reason to think they can have a cliff in 2030. If they were serious could put a quota in place today and start tightening it, or a quota and a timeline for tightening it. Maybe they are already doing that, I don't know.

Announcing radical change in a different government's term is standard political theatrics. All that matters is the actions they take now.