another way to think of this is in the difference of relationship to money between a billionaire and a in comparison poor person. give 2K to the avg Joe/Jane they'll circulate it back into the market by purchasing while the billionaire sees themself as a "steward of their fortune" and who would keep in their accounts. (also the reason why trickle-down Reaganomics doesn't work).
Also to a billionaire there is a high chance justifying tax-avoidance (and evasion) is easier since they anyway do it using multinational corporations. And obvs. it's more work to go after big cases where the fight is about proofing overstepping the line between avoidance/evasion while with poor people the case is usually about just evasion.
I'll continue to recommend this here whenever the topic comes up: https://en.wikipedia.org/wiki/Treasure_Islands:_Tax_Havens_a...