> 1. Putting things on the web means your words are public, so they can be archived forever, and anyone can look at them.

> 4. Most people don't want to put the effort into writing/posting anything beyond basic food/vacation photos or whatnot.

Nobody cares about opinions of some dipshit. There are literally millions of experts in the world. We want to hear from them.

> 3. If you don't want to bother with hosting your own site, you are at the mercy of platforms...

Wikipedia & sister sites. StackOverflow. I am pretty sure there is space for more open-content sites, especially ones run by non-profits.

> 5. It's lonely running a website!

Comment sections help a lot. Blogs can also have multiple authors.