Most of the list seems about right to me! Paramedics complete a lot more study than pilots, they also face more non-standard situations and very frequent requalification than pilots. It is worth noting that Intensive Care Paramedics of the Special Operations Team (the guys & gals who fly on ANSW's 13 helicopters and conduct remote area/technical retrieval) actually earn more than the EMS Pilots, and a lot more than regional pilots.
Having served in the ADF, worked as a commercial pilot and engaged in Paramedic study (currently, also conducted a number of SARs as a crewman), I'd say the list is about right.
Like most jobs it's (pilot) a learned skill being a plane driver & seeing as you need very little in the way of formal education to be a plane driver then a trade is more suited to the job.:-)
Wmk2
I agree Wal. A good gauge is whether or not it is taught at uni as a profession. In the case of aviation the uni element is all faffing around the edges of the actual driving job.