>but class action penalties often do.

Do they? Or only so far as "if you have 1000x the revenue, you probably also have 1000x the customers that you have wronged, each of which are entitled to damages as well"?

Courts do award higher damages, specifically punitive damages, to punish and deter wealthy or large corporate defendants. In civil law, the defendant's net worth is a recognized legal factor because a small penalty on a massive corporation wouldn't incentivize them to change their illegal behavior.