We are talking about Messi's fracture which is a minor one hence the 3 weeks recovery time. Yes my fractures have been minor too hence why I bought them up. Naturally most fractures would be minor, consequently minor fractures usually do not require surgery either which is the category Messi fits in.
About Messi's fracture it's likely minor but there's a talk of surgery (i read somehwere)
And some minor fractures end up requiring surgery.
it's not that black and white