Modest? Surely you jest. Likely the units in the high rise will be multi-million dollar ones like many in Kaka'ako. Those developers are laughing all the way to the bank about how cheaply our politicians can be bought off. 
And what would be the rationale for giving away the store to gain good will? Better to demand what developers knew they were required to give going in, have them peeved, and gain needed housing for our folks.