While I do like the new look of GOG, I am growing extremely tired of waiting for a decent good old FPS to be released. The last FPS I can think of was XIII, Chaser and Serious Sam TSE.
Considering that you now have EA and Activision I can't see why we haven't seen the release of such titles like the Medal of Honor series, Soldier of Fortune series or Freedom Fighters or other shooter games, regardless if the are a FPS or TPS.
I am sorry if I sound ungrateful but I am getting fed up seeing every release being some RPG or an adventure game.
They don't control what games they get. Chances are, they've asked for more from the big publishers. But the publishers probably refused them - they'd prefer to sell them without GOG getting a cut. EA keeps Battlefield 3 Origin-only, for example. So it's really outside GOG's control.