"As an outsider, the solution to the SF housing issues seem pretty simple... Vote out the NIMBY politicians and replace them with people who will change zoning

"As an outsider, the solution to the SF housing issues seem pretty simple... Vote out the NIMBY politicians and replace them with people who will change zoning laws to allow for more building." You are correct - that is the solution. However, voting for the opposite is also the solution and is an equally valid expression, and result, of democracy. Sometimes democracy delivers results we dislike.