I'll admit I've never flown turbo props, but I most definitely didn't hop into the R/H seat of a jet at the beginning of my flying career.
I along with everyone here started off in a single engine prop and transitioned through to jets. If we can successfully transition from a seneca to a 737, what's the big deal with people from turboprops
Funnily enough I never had any widebody or longhaul experience until I did either