Absolutely, imagine that you are applying for a government contract or position and that you are vehemently against (pick a topic) and have made a few comments

Absolutely, imagine that you are applying for a government contract or position and that you are vehemently against (pick a topic) and have made a few comments on Hacker News about how bad this politician is. The politician pops up that you are minus on supporting them, maybe you do not get priority on the contract.