(HN makes you wait a few minutes before you can reply. That's why the reply link was missing.)

"The reason to own a .com is not convenience. It's ubiquity at least in the US."

I know. I was not talking about the US.

"at this time using a non .com domain is a non-starter for the majority of people."

I disagree. For anyone who is not in the US (which is the majority of people), having a non-.com domain is probably not a big deal.