I strongly believe we should reduce the # of witness votes each $HIVE token gets, from 30 to something significantly less than 20. In my HiveFest presentation (at 03:31), I recommended 5.
The current system (30 votes, when 20 make all the decisions) gives too much power to top stakeholders, thus centralizing a process that need not be so centralized.
My recommendation is that the number of votes should be about 1/4 the number of decision-making validators. So, with the Top 20 making all the decisions, each $HIVE token should get 5 witness votes. If we ever increase the number of decision-making validators, then the number of witness votes should increase proportionately (e.g. 25 votes if the Top 100 witnesses are relied upon for consensus-based decision-making).