All these arguments by presumably hardcore STEM people always forget the most important thing - when you share your knowledge on whatever platform, be it as ephemeral as it is, now that knowledge has spread and more people possess it, even if they retain a part of it. We don't need 99,999% uptime or 3-2-1 backups or perfect GUI to share knowledge. I get it, IT people would be lost when SO goes down so they always want to build most reliable thing ever, but it's always a moving goalpost.

Just contribute wherever you can.