From what i heard resistance 2 is best first person shooter this year.

[MikeB]

Ender said:

MikeB said:
This reminds me of a 360 fan who told me friends told him Resistance 1 was broken because you could shoot through walls and suffered from slowdowns (sniper rifle function).

 

Weird AI behavior cannot be exlpained away as a design decision.  It sounds more like a developer hack.

All other allied soldiers die en masse while battling the chimera, if you save them it helps later on like was the case with Resistance 1. However some individuals don't seem to die nomatter what, they happen to be the ones crucial to the ongoing story progress. So it's clearly a game design decision (an alternative would be, they die you die, which is far less realistic),

IMO some people are hanging onto straws here. You can take advantage of this by luring enemies towards them and then keeping some distance enemies will attack them (and be weakened enough for you to finish them off more easily).