I would never go to Microsoft. As easily as they'd give it to you, as easy as it would be to ruin it and gamers' hearts again. Hell no. Yooka-Laylee is the new B&K, Playtonic is the new Rare. No matter what Microsoft's Rare slaves wave in front of us anymore.
EDIT: Just realized you meant if they got the rights back
... If they got the rights back... it'd be worth checking out, but I'd probably still support mostly Y-L