I wish that we had more opportunities available for researchers to do the work that Tavis is doing. He is very very good and highly productive, but he's not somehow orders of magnitude better at his research than others. The thing that makes him unique is that Google is paying him a full-time salary just to find bugs and post them publicly. He doesn't have to worry about only targeting stuff in bug bounty scope or working on executive-targeted write-ups and consultation reports to make ends meet.
Basically, he gets paid to spend all day, every day, finding bugs and documenting them for people to see. We need more people in those sorts of positions, but only Google is really able to bankroll it.
I agree that security consulting results should be more open, but incentives are not really aligned for that to be the case.
Every member of Google's Project Zero team is individually more capable and productive than entire teams of consultants at the best security firms.