You don't build a social network around tech, you bootstrap it with a community. Bootstrapping it with Open Source enthusiasts is fine. If you say "we're yet another social network" you have no value proposition. Not that I think that "we're yet another Open Source social network" is good either...

Also, the fact that a grandma doesn't know what Open Source means doesn't really concern me, but the fact that the children of someone who posts on HN and works at Google don't, does. Maybe that's part of the reason why proprietary, centralized services are winning.

Anyway, I do have concerns along the same line, not because "Open Source" is on the front page but because:

- The team is not diverse enough in terms of experience. The COO is an "information-security expert"; the CMO is a "security and international relations expert"; the Chief of Product is a "pragmatic software engineer" and "crypto-geek". This is a problem, even though not necessarily deadly.

- They plan to allocate 70 % of the budget to software engineering, and basically 0 % to marketing / user acquisition / community management. This is the biggest red flag for me.