As far as who to hire/how many to hire it also depends on the end goal. Considering how far a handful of people got SSW and SAW in their spare time, just hiring a few people to finish SSW and SAW with the latest gear may not be a terrible option.
It would be nice to have an official clarification on the matter but the upside to TPTB making the call for new software does at least infer a couple things.
1: With how lawyer shy CGL is, for good reason, I don't imagine them making such a call if they were not 100% confident Microsoft does decide electronic game aids part of their license.
2: Microsoft doesn't want to do it themselves.