The camera companies are not only competing with phones but themselves. I haven't bought a new camera since the Nikon D7100. I've simply been waiting a year or two and then buying a used one. I save about half doing that. The cameras of the past five years are so good there's really not all that much performance improvement between them.
Yup. I bought a new camera a few days ago. It's quite similar to the last one, which I never greatly liked, but is much improved ergonomically, better built and has slightly better IQ and AF. The last camera lasted nearly four years and I would expect this one to last for longer because it is more robustly made. So the camera companies likely won't get much out of me for a long time to come. Perhaps they need to find ways of switching to a rental model, like Adobe. You do buy the camera, but after that X per month buys you proper software updates, apps for mobile and desktop, support, maybe insurance, access to cloud storage and top-quality prints, etc. Pie in the sky I suppose but for the right package I'd probably be up for it. At least this way the companies would keep some cash coming in and bind users closer to their brand. The crazy thing is that at present the companies give away a lot of this stuff for free.
I suppose one problem is that some of these companies are tiny corporate divisions now and parent boards just can't be bothered much with them. They are looking towards post-camera mobile/video, or so their advisers advise them.