There are some that will say that extra IP's hurt their game, that it breaks with what they think the world should be like, that the means to get them are too easy and therefore broken, and other things. Most of your players are new to the game, as I understand it, so they may get that opinion if confronted with opponents with those extra IP's. Here is something that should be asked of them should they acquire such an opinion:
If extra IP's are so broken, then why haven't you taken them to stay alive?