I feel like this "bad data" problem would disappear immediately if there were real world consequences for it being incorrect. Which is to say, if you were to b

I feel like this "bad data" problem would disappear immediately if there were real world consequences for it being incorrect. Which is to say, if you were to build out a system that limits speed based on some authoritative database of speed limits, then suddenly there's an incentive to make sure that database is actually correct (where there was no such incentive before).