There's also the basic issue that they have to field a team, and aren't interested in throwing slop out there, probably not good for player development, I mean look at all the complaints about Frost's wingers last year. The same logic applies to other young players, you need to surround them with both decent linemates/defensive partners and some veterans who can hold their hand as they get acclimated to the NHL.
Right now LW is the biggest hole on the roster, Couts, Atkinson, are question marks, they don't know if Lycksell is ready, they don't know how fast Brink will be ready. Laughton is a quality veteran LW. Things could change in January once some of these questions are answered and some veterans coujld become expendable if kids step up.