But quarter of them are too busy with EOS, some others too busy posting and bidbotting, most are non-devs

Im hoping the "D" in DPOS can mean democrazy too.. I guess the Steem community hasnt reached a size where the non-whale majority has enough to overpower the minority. Its the reason why DPOS was create in the first place. I guess there will always in attack surfaces to a blockchain in the most unexpected human ways.

That as well as the sad truth that many account owners don't know about the witness voting feature of their steem account. It's why community grassroot-level awareness spreading is so important. I'd argue along with @aantonop that the biggest contribution a blockchain user can do is not in monetary terms but by telling people and sharing the right information for awareness. more so for Steem when its still widely misunderstood in the public zeitgeist.

I actually dont blame bidbot operators despite how i may sound like. It's just that underpricing their votes not only make them lose money but hurts the platform overall. There are cases where Bitbots are certainly justified.
But if a person can literally double their steem and "use money to buy more money", it hits at what is fundamentally the value behind the steem blockchain. When Steem loses value, bitbot owners will get hurt too.. So they have alot of skin in the game.

Who would invest (not just monetarily) in a cryptocurrency when any dick can shitpost and pay for guaranteed profit with no regards to what they post let alone quality of content. Im not suggesting bidbot owners to close shop.. But at least dont make what is happening possible.

You got me interested in Tauchain but to be honest at this stage it's really still way over what i am able to comprehend. Maybe i should learn more stuff before tackling the whitepaper.