Cowboys on the Porch

This is one of those porn shoots that isn't particularly logical -- why are cowboys fucking on the porch, in broad daylight, in view of the neighbors? I guess it's from a porn flick and is revealed in the paper-thin plot.

I never saw porches on houses until we moved to America when I was a lad. They are generally seen in Britain only on barns and churches. If perhaps blokes did this on their porches more, then their popularity as an architectural feature would increase.