Imagine, during the next months you post a coupe of very successfull post and you earn around 10K $. Would you keep thinking that maximising your voting power is not important ?
You could make 100-150$ / month by voting smartly. Maybe it's not a lot but then your plan would be to keep doing that to grow even more your SP funds. Well, you would be then very careful with every vote you give and you would stop voting on comments because you only have 20 votes with full power / day.
That's what I meant with the imbalance ;p