Disadvantages of a treadle sewing machine?

Oh, dude, disadvantages of a treadle sewing machine? Well, like, they're not exactly portable, unless you have a really strong friend who can carry it for you. Plus, you'll be getting quite the leg workout with all that foot-pedaling action. And let's not forget the potential hazard of accidentally sewing through your favorite pair of jeans because you got distracted by a squirrel outside.