A lot of people find a bent-forward riding position very uncomfortable. They may have permanent, unresolvable back problems, or if not maybe just aren't doing yoga or something else to sort their back out. An upright riding position is top of the wish list for a lot of people, which is one of the reasons for the popularity of Dutch-style bikes or handlebars, for instance. Some people, as seemingly in this case, do it DIY on the cheap. You also see drop bars turned upside down.
A lot of people find a bent-forward riding position very uncomfortable. They may have permanent, unresolvable back problems, or if not maybe just aren't doing yoga or something else to sort their back out. An upright riding position is top of the wish list for a lot of people, which is one of the reasons for the popularity of Dutch-style bikes or handlebars, for instance. Some people, as seemingly in this case, do it DIY on the cheap. You also see drop bars turned upside down.