Well, American firearms might just serve as a brake.
You seen H.R.1808 - Assault Weapons Ban of 2021 and who the lobbyists are?
House Democrats Moving on ‘Assault Weapons’ Ban: Targets at Least 45 Specific AR-15 Rifles
They keep applying the steam while we pull the brakes.
That being the most glaring impediment to their plan, I would think this problem would be the central focus of their planning.
I suspect they have given it considerable thought.