Wern't the first airplanes microlites?
The problem as I perceive it is a mass production flying machine has had a lot of previous. Accidents, design faults ironed out, engines recognised as c-ap, etc.
A microlite today is not mass produced and can have untold nasties hidden in its structure.
Or do statistics carry a more reassuring message?
Then there is range and payload, but that is another form of flying.