Assuming code was followed for your house wiring, nothing is at risk there.

Big assumption, because houses aren’t all on NEC 2014, or 1999. Also assumes the circuit isn’t in use for other things - garage door openers are very convenient and are supposed to be on a reserved circuit, assumes that the connections are tight, and oxidation free.

There are reports of new dryer outlets melting because while they meet code, they aren’t constructed to run full output for 12h+ straight, charging a Silverado. Never mind the 1965 Bakelite outlet in the garage.

I agree with your point in concept but in practice it’s best to get a good electrician to run a new circuit from the box in even somewhat recent construction.