One of my friends told me at one of the FAANGs, some of the employees were openly asking on financial-planning internal mailing list in how to qualify their kids for financial aid or grants because they made too much.
https://cardinalatwork.stanford.edu/benefits-rewards/tgp/ben...
FAANG engineers certainly earn enough that gaming the system isn't necessary, but "don't hate the player, hate the game" applies.
For normal middle-class families, planning for future tuition is a massive undertaking.