In Binance's commission rebate, the invitee may feel that the inviter taking 20% is 'unfair' (even though this is the exchange's incentive mechanism), and therefore would rather give up 80% of the earnings than accept that the inviter is 'taking advantage'.

The invitee refuses to participate because they think the inviter taking 20% is 'unfair', even though they can earn 80%. This leads to irrational decision-making (giving up earnings to avoid 'unfairness').

Rebates are not a zero-sum game (one party's gain does not necessarily lead to the other party's loss). In rebates, the 80% and 20% are additional incentives provided by the exchange, but the invitee may misunderstand it as a zero-sum game, believing that the inviter's 20% is 'taken away' from them.

One can only say that your perspective has not broadened! You think that by not letting me make money, the result is that you will lose even more.