I prefer to stay grounded in the reality of how the world works when responding to questions about legalities.

What you said isn't true for quite a few countries.

That's quite possible, but could you name a couple where locking a raspberry pi type of computer would be illegal?

	▲	smilespray an hour ago \| parent [-]
		EU Right to Repair Directive specifically prohibits manufacturers from using HW/SW locks or firmware limits to block part replacement.