Disclaimer:

I've played Human/Sage for since... well I can't even remember how long ago.

Human has been nerfed hard offensively, I've read many posts in this thread describing why so I don't need to go into detail.

Sage has also been killed.
No lower book cost?
Very small increase in science effectiveness?
No free books?

Sage has never been a glamorous persona. It is a waiting game, and takes a bit to get established. You may as well remove extreme sci, because how in the heck is anyone supposed to sustain that? Especially in a warring KD? Who cares about plague immunity? NB takes care of that. Give us the free books back, and the decrease in science cost. This was never an OP personality, but now it is mostly junk. What boost does a sage get to science production? None! That is what the sage personality has always been about.

People advocating removing science protection for sage just want nice learn targets for their orcs.