Well looking at their cameras released from 2012...it seems they completely ignore the offerings from other brands. This is exactly what Nokia did even after the iPhone completely shifted the market...thry continued to ignore innovation and we all know what happened then. Canon seems to be impressed by Nokia's strategy and we know what's coming soon lol
Canon's been busy with it's other business interests in the last couple of years (they are significant and profitable), the consumer camera side of the business has been somewhat neglected. So no Canon isn't likely to go the way of Nokia. As it is they could reverse engineer a Sony lens mount for it's EF and EF-S lens ranges and make money off the lenses that way. I don't think they've ruled out using Sony sensors either.
Most rumours point to Canon developing a Full Frame Mirrorless Camera for release in late 2018 or 2019 (or last time I looked). The 6D MKII feels like Canon looked at it's parts shelf and said "that'll do". If there is an FF Mirrorless on the way, I guess it'll have features the 6D MKII lacks.