So I looked up photos with a person inside and no, it really is that bad [0]. Pure form over function.
Uncomfortable, yes. That's bad enough. But you hands are far back under your center of gravity. Any crash over a few km/hr is going to result in a faceplant because there's no way you'll bring your hands forward fast enough. Top speed of 24km/hr is enough to cause serious... death by head trauma.
[0] https://www.autocar.co.uk/sites/autocar.co.uk/files/styles/g...
https://www.rad-innovations.com/blog-our-news/about-recumben...
I have occasionally seen continental European tourists on those in Ireland. They struck me as a really bad idea for another reason. They're very low to the ground, which is probably good for aerodynamics but terrible for visibility for people in trucks, busses etc. There's no way I would cycle one on any normal road.
Some people do have a small flag sticking up but I don't think that's enough.
Well, hard to believe this was a flop.
https://www.carrozzieri-italiani.com/listing/italdesign-mach...
Electric moped was right idea but some 30 years ahead of its time.