>3. An internet where there's only enough room for a handfull of players in each market globally i.e. if you have a "project-management app" there will not be a successfull one for each country much less hundreds for each country.

I'm not sure either of these have anything to do with any particular policies, rather than just the nature of all maturing industries. Consolidation is always the tendency as an industry matures. Some policies try to slow or mitigate it, for example as Federal restrictions on radio station ownership did until the Telecom Act of 1996 ended that [1]. But the natural endstate of any complex system is increasing concentration of critical resources of the system into fewer hands.

4. Huge barriers of entry for any new player into many of the markets (no one can even begin competing with google search for less than 20 million).

What exactly are the barriers to entry for search? Unlike social networks where reconstructing a social graph comparable to Facebook's is a major barrier to entry, what's to keep consumer eyeballs from just using another search engine as their default? Not much network effect there, seems habit and laziness are the only real barriers, but as far as barriers go those are the easiest for a competitor to break through. For example, I use DuckDuckGo for mine, and it's fine in all but a few edge cases.

[1]:https://futureofmusic.org/sites/default/files/FMCradiostudy0...