As a mechanic I am happy to work on any aircraft and can do so quite easily. The licensed guys I work with are happy to have both the 'puddle jumpers' and the large aircraft as they see benefit of having both on their tickets. My point was purely that whilst the big aircraft are a turn on for some people you cannot deny the steady stream of work the Q400 and Embraer bring and associated income for the company. If they replace that stream then fair enough, but why turn down steady work which has filled 50% of the hangar for years.
I guess the possible move which you talk of not doing 3rd party work (Q400 and EMB) must be a concern at the line stations which are manned for such activities, as I see it the 8 or so puddle jumpers per night and busy movements during the day provide security. A long haul operation and 8 brand new 737 max could unfortunately open the exit doors for those unqualified on types?