Lichess is a non-profit with a lot of volunteers, they probably don't have the same time vs hardware cost balance as most for-profit companies do
One of the most famous examples is Wikipedia.
Technically yes, they are a non-profit. Impoverished ? Certainly not !
Look at the financials, as others have already pointed out. Especially if you are in the habit of donating to non-profits, the financials can make for interesting reading.