CR's problem isn't with the answers-per-question ratio, it's low votes => not enough hi-rep users. So this post should be status-declined.
Maybe a set of badges could encourage voting, but we already have:
Supporter First up vote (7.7K awarded)
Suffrage Used 30 votes in a day (51 awarded)
Vox Populi Used the maximum 40 votes in a day (38 awarded)
I did catch your MSO post, and I sort of agree with them being too easy to obtain. For starters, it's very likely that the OP will upvote the answer (unless he/she lacks the rep). It'd even be worse if the OP hasn't judged the answer's quality but just decided to upvote it anyway. I'd at least increase the score to about 3 or 5, which will ensure that ...