Not sure if you're trying to be funny, but in case someone thinks you are being serious_ Unbalanced tyres will not cause someone to lose control. They'll get a little vibration feedback through the steering wheel, which may even be felt by passengers.

This is an extremely unlikely outcome, but no reasonable person would be tampering with other people's cars after seeing a meme on lemmy anyway. We're just telling jokes here.

Did you not read the name of this community?

https://www.tirereview.com/balance-runout-and-maximizing-tire-miles-for-fleets/

Not sure if source is legit, but seems like 1 pound of weights is the limit for on road use.