Some of us actually like human contact while touring. The stock questions, which in isolation can be annoying, should be considered mere overtures to a potentially more interesting conversation. The friend you make at the scenic turnout can develop into a dinner companion, access to a lawn where you can pitch your tent, or maybe just a wider berth when they pass you down the road.
Every culture has a set of "low risk" stock questions that strangers use to get a potential conversation rolling. Your role is to give answers with enough information delivered in an encouraging enough manner that more interesting subjects can be broached. Don't be hating. The weeble you meet now can be a trail angel later.