Yes having talented team members at both extremes can be powerful. The key is to prevent individuals from retreating into the mindset of "I have a hammer and everything looks like a nail". A large part of that involves showing everyone that diversity is necessary and can really benefit the company if these perspectives are fused in the right way.
Hey I can't see your email address. I think you need to move it to the about field in your profile because the email field is hidden from public view. My address is in my profile if you want to email me.
That's true in general, but the business of tech can sometimes benefit from local knowledge. A submission about the best lawyers for tech startups in Singapore wouldn't really be appropriate for HN since it wouldn't benefit a large part of the audience.
It also helps to have a site where there's a high chance that the person you're talking to is close enough to meet up for coffee. =)
Not yet comparable to the bay area but definitely picking up. There also seems to be a genuine desire by the government here to see the startup scene flourish and they're allocating resources as such.
Consumer Internet companies here are predominantly English language.
It was actually never intended for sigint.sg to seem like it was created independently. There's a link back to Hacker News in the FAQ: http://www.sigint.sg/faq