Suppose Bad Actor has 25% approval, everyone else has to find someone they can agree to give 26% approval to bump the Bad Actor.... there are 2 solid candidates and they each split the vote 13% / 13% and thus neither is able to bump the Bad Actor. Everyone can agree the Bad Actor should go, so they simply vote against him.
Should this point be overlooked? How important is it in real world terms?
It is possible for there to be a candidate who would receive 40% support for a role as delegate, but 60% strong opposition. Should it be possible for this candidate to become a delegate?
If people have the option to vote against, the candidate would be unsuccessful. Without "vote against" the candidate would probably become a delegate, and I propose this to be undesirable. In order for the candidate to be partially unsuccessful, the opposing 60% would likely have to agree to collaborate. They would have organize their "votes for" in a way which they may find unsatisfactory, thus compromising their REAL preferences.
Importantly, even if the 60% managed to use their votes to get another candidate in front of the one they oppose, BOTH candidates would likely still end up being delegates. Now we would still have a delegate who 60% STRONGLY OPPOSE!
Bear in mind that this needn't be a polarized case of a candidate being either a good or bad actor, or processing transactions well or poorly. What if the candidate is proposing to use transaction fees for a certain controversial purpose? It is easy to imagine a scenario whereby the candidate incentivizes 40% to vote for him/her by some means, and this 40% are not opposed to the way the fees will be used. But what if the other 60% are fundamentally against the proposed use of the fees? Should they not be given the chance to voice their concerns?
Could not "vote against" potentially be a useful, if not necessary, tool? If the majority opposes something in principle, shouldn't there be a proper way for them to oppose it in practice?
I admit I haven't thought much about this, and also haven't followed closely enough the way voting works with DPOS, so I may be mistaken.
However, I thought I should post this in case it is useful, or in case it may act as a catalyst in some way.