Men should learn to deal with rejection, but let's not pretend that they don't have the burden of initiating. I've literally never been asked out by a woman in my life.
I've been pretty successful with women in my life; whilst I was nerdy as a teenager things changed and I've since had a lot of luck with women.
In Europe, where I live, I have never been asked out by a woman that I can recall, despite having had plenty of girlfriends here and good relationships. Men always have to make the first move. The most extreme case of this was when I briefly dated a Russian woman. She had recently divorced with a young kid, and was incredibly beautiful - I couldn't believe my luck when we got together. But I kept asking her out on dates, we'd do a date, it'd be fantastic, and she'd go home the next morning ... without suggesting we meet up, or informing me of her plans, or even what she liked to do really. She'd just go home. At the time I figured she maybe just wanted some fun and didn't wish to begin another relationship so soon after ending her marriage. I took it as a hint that causal dating was fine but she didn't want me intruding on her family time. So eventually I stopped asking her out on dates. I was looking for something more serious and was hoping for her to suggest something she'd like to do instead of always waiting for me, but it wasn't happening. I found out later via mutual friends that she was quite upset when our dating stopped and she'd been hoping it'd get serious. Just that in Russian culture, men are expected to take the lead and tell the woman what's going to happen to a much greater degree than in my own culture, and I'd totally misread her.
However, in America, I've been asked out by women. It's a vastly more forthright culture where "sassy" women are lauded and "go getting" is seen as the way forward.
Given how international tech workplaces are, you're getting vastly different dating cultures and expectations mixed together on a daily basis, in an environment where many men don't get to meet many women. I work in tech but virtually all my dating has been with women I met outside of work. But my colleagues often don't have a social life outside of their colleagues.
Men should learn to deal with rejection, but let's not pretend that they don't have the burden of initiating. I've literally never been asked out by a woman in my life.