@writingpumpkin03 That’s precisely what I was trying to point out to the OP, but you said it much more concisely! Just comparing the endowments is apples to oranges sometimes.
And yes, I don’t know why WashU is need-aware – it would be interesting to know what’s behind that choice, but either way I think it’s somewhat of a disgrace for such an elite school not to be need-blind.