If you go over a tall cliff on a hairpin bend at 1 mph, you're just as dead as at 200 mph.

There is no safe speed.

There is no safe.

There won't, and cannot be, perfect safety in anything short of a The Matrix pod.

Its not within our power.

What we can do is better-inform people to make their own choices, and judicially disincentivise behaviour that harms others.