I agree entirely. I've been actively using the internet for roughly as long as you, and I find a great deal of it highly discouraging, depressing, and frightening. There's always been a dark side, even in the ARPANET days, but the percentage of it that's horrible has been growing steadily over the years.

It's become so bad that I've severely limited my use of the internet anymore. Too much of it actively makes my life worse. Avoiding it has improved things quite a lot. Lately, I've been thinking that I may even need to stop hanging out here on HN, which is the only "social media" I use anymore.