Earlier quoted context omitted.
> Why do women wear low-cut dresses if not to attract male attention (in the majority of cases)? Yes, Virginia, this is sexist. Holy hell, is it sexist. You are characterizing a woman's behavior in terms of how it makes you, as a man, feel. There are many reasons that a human might dress a particular way, but by characterizing it as a gender-based, "she wore that to make me do this" kind of transaction you have incor…
Are you sure? Of course I'm not sure . But when you hear hoofbeats, think horses, not zebras. Why do all the waitresses in Hooters wear low-cut tops? Is it for comfort? Is it because they couldn't afford the other 30% of the shirt? Or is it because that's proven to be very effective at gaining male attention? I wore them for me, not for anyone else. This makes no sense. In a post-apocolyptic world where you're the on…
Seriously, stop right there. Read what you just wrote. You're comparing a professional developer who chose to dress comfortably to women chosen for sex appeal by a restaurant which is only a step away from a strip club.
There is something seriously wrong with the way you are approaching this issue.
To answer your last question-- I'm a straight guy, and no, I wouldn't find it sexually arousing if a co-worker came in to work topless. Probably because I'm not fifteen, and I've seen boobs before.
Okay, I would be surprised at first, probably a little more so than if it was a male co-worker, but if it's what either of them wanted to be comfortable in their office I would get over it. And if a male co-worker couldn't restrain himself from making sexually suggestive comments, I would be pretty disgusted by his behavior.
(Don't forget, by the way, it's perfectly legal for women to be topless in public in both NYC and San Francisco, so this is certainly a possibility.)