Resource management? No, not at all. You collect powers, and you can choose any two at a time to be hotkeyed. So, like, you can shoot fire and send a swarm of crows, or you can mind control and create a shield. It's fairly easy to switch those out, and it's mostly preference to decide which you'd rather use.
If you are a gun hoarder, sure, finding the right ammo can be hard, but people drop guns so readily that you can just kill a guy, grab his weapon, and have fun figuring out how to use it. You can only carry two guns at a time, so it motivates you to just grab whatever's handy and keep fighting.
The one aspect of the game that I
loathe is that you always feel like you need to grab every item from every container and dead body ever. It gets in the way of storytelling, because when you should be rushing, you instead take a minute to poke around in trashcans and, like, eat pineapples out of dead women's purses. It's dumb.
The thing is, you don't have to do any of that. Upgrading your gear isn't that critical. Just loot dead bodies and grab obvious health and 'mana' potions, and you'll be fine. Plus, the game will go a lot faster, and you won't end up being this guy: