Could you be considered mentally or physically disabled? After all, you are one of those wackos riding an e-bike.
That is a good question. Does building and riding an e-bike qualify one for mental?
It seems like after a few crashes the physical part might also be fulfilled. But if my history of motorcycle riding is any indication, I may avoid most problems there (knock on wood). In something like 100k of mostly commute motorcycle riding I had one very minor non-injury accident (a truck backed into my front wheel), plus a couple of times I dropped the 470 pound bike in dirt or gravel at a standstill, so the bike was not really even damaged. I tend to be pretty careful. I slipped a few times on wet pavement from oil or condensation but managed to avoid falling. I don't generally ride in the wet on purpose, but there were days where I got caught in bad weather. You just have to adjust your riding style to match the friction available...
Before that, while in college I used an old Schwinn 10 speed for my 6 mile commute. Not sure how many miles but never had an accident (that I recall). One time I pedaled through a left turn and the pedal hit pavement. I lost a foot or so sideways but managed to stay up. Very exciting moment.
I upgraded to a moped and put a few thousand miles on that. Had a couple of flats. No breakdowns and one accident, slipped on condensation early one morning and fell at about 25 mph. Helmet didn't touch the pavement but my down jacket was leaking feathers. My wrist was not broken but it hurt for a few weeks. Real happy I had gloves on. The Motobecane was pretty reliable (just had to change to a clean spark plug occasionally), but a killer to pedal the single speed 100 pound bike.
Then the motorcycles. Just about wore out a Honda 125. Great little bike but when the motor started making funny noises the shop told me how often those motors need rebuilding I didn't like that, so I bought a water cooled shaft drive Honda CX500. Not a race bike, but reliable as heck and plenty of power. Had a few flats but no breakdowns and I already mentioned the rest above.
Anyway, I don't mind spending some time building a decent e-bike, but once built I don't have time to do a lot of maintenance to keep it running and I don't have a lot of patience for breakdowns while commuting.
Thanks for the comments,