Plus destroying it "to not sacrifice who I am" is stupid. Your at war, with viscous space robots hellbent on wiping out all life. You need everything you can get to fight these things.
It's not stupid, but I do agree that line was cheesy and sounded dumb. Ethics aside, there are perfectly logical reasons to not save the station. The biggest one is this; it's reaper technology. Let's think back throughout both games. In almost every case where a science team has had direct exposure to Reaper tech, bad shit happened. Miners dug up some random artifact in a cave? They turn into husks. Cerberus crew studying a dead Reaper? Turn into husks. Scientists find dragon's teeth in a cave, and those alone were enough to make the scientists implant themselves onto them and turn into husks. If dragon's teeth alone can cause indoctrination, what do you think a entire facility will do? Cerberus couldn't even handle a dead Reaper and now you're giving them an entire station and saying "go crazy". It's a dumb thing to do. At best, the scientists go crazy and that's it. At worst, the Reaper's infiltrate the Cerberus information network.
Maybe you're thinking Cerberus won't be dumb and will handle the Reaper properly. Well, I think the odds of that are abysmally low, given their track record. Cerberus has fucked up a ridiculous number of their own projects, even when they don't involve alien artifacts that fry your brain. If they somehow don't fuck up, it will be a goddamn miracle.