Modular assumes a level of experience that integrated does not , PPL / IMC followed by hours building or ex-military , for example .
High Wing Drifter makes an interesting point about type-ratings following JOT/MCC training - I know of people who have had type-rating training discontinued by their sponsors following succesfully completing JOT - they just couldn't cope in the actual sim . With 200 odd hours piston experience , many find the transition to jets a struggle .