Say there is a proposal that I think makes sense as a proposal in general, but not one that I intend on following now or ever. I have experience with Stack Exchange sites, so I have a good feel for what types of questions are usually considered off-topic on the whole.
Say I open up a proposal and see the questions it has listed and find several that I think would be interesting an a good fit for the proposed site. Is it fair--and is it good--for me to use up my votes on questions on a site that I don't have interest in following or committing to?