It wouldn't fix everything, but it would guarantee more competition and hopefully keep corporations comprehensible.
[1] https://en.wikipedia.org/wiki/Dunbar%27s_number
[2] Vsauce2 has a good introduction: https://www.youtube.com/watch?v=O2qjRG6iV8M
[3] Why 80%? To allow room for family/etc. This number is merely a suggestion; better values require actual research.
It wouldn't fix everything, but it would guarantee more competition and hopefully keep corporations comprehensible.
[1] https://en.wikipedia.org/wiki/Dunbar%27s_number
[2] Vsauce2 has a good introduction: https://www.youtube.com/watch?v=O2qjRG6iV8M
[3] Why 80%? To allow room for family/etc. This number is merely a suggestion; better values require actual research.