I have not participated in any of these meetings, but I have been following the happenings on this blockchain rather closely for 18 months or so. This is a complex issue with no real easy solution.

One thing that I think could work and obviously make a few parties upset would be a "maximum stake". Once your account reaches a determined amount of vests, that is all you can vote. Sure, you can hold more steempower than that but they don't count in the stakeweighted voting.

It can still be a huge number, but if you have 8 million steempower, or 44 million steempower, your vote might only be worth 1 million steempower. You can still make 700 Steem a day from every bid bot you delegate to... but as far as witness votes etc... you have the maximum vote and no more.

This would add more decentralization to the chain, still reward large stakeholders with more power and not ever give away the entire blockchain to tyranny.

Just a thought.