The Pareto principal means that all tokens will distributed in a parabolic shape.
20% of the people will have 80% of the tokens.
Meaning, 80% of the people will only be there to break ties from the big voters voting.
The tokens will never be evenly distributed, and nothing can be done about it. There will always be people who are more liked, have more friends, etc...
So, any solution has to take into account this power curve
There must be a balancing of numbers (the 80%) and the power (20%)
This is also the same problem in post payout that only kinda got addressed a few HFs ago.
OP's solution does seem to address by limiting the amount of people one can vote for. Would be simple to work around, but would still limit the power of the biggest holders.
2 accounts with 10 mil sp voting for 20 witnesses seems easier to fix then 1 account with 20 mil sp voting for 20 witnesses.
Could also add another type of witness, call them community witnesses or something. Allow them to only be voted on by the 20%. 4 of these positions so the 20% could prevent a hard fork seems like a decent option.
Though both of these couod be terrible really, idk