In reply to Trangia:
I thought the issue with those is that potholes and fast braking would make you faceplant, to the extent that some of them even had handlebars designed to allow you to get your legs over them and attempt to land feet first.
Fun fact: What we know as normal bikes used to be known as safety bicycles when they were introduced, and that if there had been an internet then their ukcycling.com forums would have been full of people accusing their owners of cowardice