Seems a bit strange; fuji was excellent lenses which is the strength of olympus. I actually know nothing about fuji sensors; I mean they get some press for being different but I'm not sure if they are any better (or worse) than what canon or sony is producing these days.
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I think fuji mirror less and MFT could co-exist because they are different markets. I might be wrong but speculation is that fuji mirrorless system will target high end market (much like their 6x7 cameras) though the details are sketchy.
They say nothing about camera division as a motivation for a purchase.
While there may be some place for ex-Olympus mirrorless camera in Fuji line-up, they may just sell camera division to somebody just like Hoya did in the end.
Integration of two different camera departments could be just too difficult to accomplish.