Far Cry 2 was far from perfect and all of your criticisms are fair, but it still did things that no other FPS has even attempted, before or since. That's enough to earn it a special place in a gamer's heart, just like the original Deus Ex, which was also far from perfect. There are other reasons to worry about Far Cry 3, namely that the Call of Duty-style point system, but even if it's every bit the mess Far Cry 2 was, I think it'll be worth a play.
Oh, and here's a quarter. Go buy a box of apostrophes. No, you're not writing a novel and you're not doing schoolwork, but you are presenting yourself entirely through the medium of text and if you don't know how words work, it makes you look bad.