A tiny nitpick: nothing is free, the internet users just pay with a different currency: their data and attention. Both of these things are much more valuable than most internet users think.

As far as a non-commercial internet goes... well, we can always hope. We just have to wrangle the means of content production and control (heh, heh, see what I did there?). The resources are there to do that and have a free (both as in beer and in freedom) and high-quality internet, what we are missing is... attention of the masses, the most expensive thing.