What spindritf said. OpenBSD has an extraordinarily high impact-to-X ratio, for many values of X (funding, notoriety, number of contributors, unnecessary problematization, glamor, etc.).

Even though I'm more likely to use OS X or Linux these days than OpenBSD, OpenBSD would fare better in the absence of most Linux distros, than most Linux distros would fare without OpenBSD.

You're probably using plenty of OpenBSD software anyways like pf in OSX

Wow, I'd forgotten that one. I guess that really proves the point about OpenBSD being everywhere.

Well, they take on responsibility as stewards, which means they will be the target of criticisms and backdoor attempts, and will need to meet the demands of downstream demand for fixes, requests and help. They also need to (have already) spend time on understanding the code, development and integration. They need to communicate the problems with OpenSSL and what they've done to other people within the ecosystem.

Market share, funding... Pretty much any metric.

A lot of the work they do on their packages and in base stuff is pushed upstream to properly support security features OpenBSD supports. Everyone benefits from this because then such features can be enabled everywhere with less pain.