Then we had Internet2 which is backbone dedicated to research, again, not a tool for coordination or control.
If you were online in the 90s, a popular refrain was that the internet sees censorship as damage and routes around it. It was very much operated as a free space for ideas. There was no centralization of platforms, no apps, and anyone could host whatever they wanted.
Depending on your age, that is the internet built by your parents.