Olympus has been quite adept year by year in making either very small profits or some quite substantial losses, not a receipe for long term survival. Having said that, other companies aren't doing so well either, with Nikon currently profitable but getting to be a much smaller player in the market. Canon had a poor Q3 report with sales down 15% and operating profit down 45% for Imaging compared to the same period last year. Canon Shares are down by nearly a third from a peak in 2015, whilst Sony shares have almost trebled in the same timeframe, but of course both Companies have fingers in a lot more pies than just cameras and lenses. But Nikon and Olympus are primarily camera and lens manufacturers and are much more vulnerable to decreasing slices of a reducing cake.
My current Olympus Pen has been superceded by the EPL 7/8/9 and my OMD EM 1 and OMD EM 10 are both Mk1 models. There is no compelling reason to upgrade any of these cameras, any enhancements are so minor for my purposes that the huge cost to upgrade simply isn't worth it. Reviewers also seem divided as to whether the 20mp sensor brings that much to the party. So any new OMD will need to have something meaningful and special before my wallet can be prised open, I hope they can, what has been acheived by a comparative minnow is quite remarkable so far.