What I've noticed about the OpenBSD mailing lists is that while people are generally decent and helpful if you show that you put at least some effort into your question, I also see negative responses to the less good questions that are just not needed, and without value.
I still like OpenBSD because it's just a good OS, but I think some people could stand to tune up their filters a bit.
So its a BSD, but not OpenBSD
In fairness to the people who called you stupid, you have some pretty glaring misunderstandings about whichever product you were using. (FreeNAS? OpenBSD?)
This is why I jokingly call OpenBSD a full contact operating system; interacting with the community can feel like being at the bottom of a rubgy scrum. Still, the hardware requirements are so low and configuration and management easy enough I use it on old refurbished PCs as a firewall. Any refurbished $100 PC from microcenter and a couple of Intel gigabit ethernet cards is enough to make a decent firewall as long as you don't have gigabit ethernet to your ISP. OpenBSD really shines on legacy hardware.
I also enjoyed the fact it was the work of a few minutes to cut certificates for all my wifi devices and switch to certificate-based authentication instead of password-based. Unfortunately IOT vendors don't support that so you end up with a separate network just for semi-trusted devices.
Funny enough, OpenBSD's unfriendly behavior just had me go back to Linux land after running a FreeNAS server for two years. I got tired of every single help thread I was reading start with "Well you're stupid and you shouldn't do that" in one form or another.
Once Ubuntu got mature ZFS support in mainline, I was out.