As a company they need to lay out some path to the future or their subscriptions will dry up . The way things are going at the moment you mag as well acquire a hacked copy of Lightroom and Photoshop as there are no improvements coming. They are creaming it now but they are setting themselves up for later failure .
That's what happens when a company has an absolute monopoly. Most of their other products are industry standard, meaning if you use them professionally you can't
go anywhere else. If you aren't using them professionally they don't care about you as you probably used to pirate their software anyway. The alternatives are all pretty terrible (have you ever used Gimp? It is a joke). As far as I know, Lightroom is already subscription only. If you think you'll be able to stay on an old version of Lightroom for long you'll get a nasty surprise soon when they stop updating it. They have the perfect captive audience. They don't need to improve their products because we can't go anywhere else. Why do you think the focus of most of their recent updates across CC have been to integrate stock photo sales into the UI? Because they can concentrate on milking more money out of subscribers rather than fixing issues or implementing new features.
If I didn't need other Adobe products (Photoshop, Illustrator, InDesign) I would have left a long time ago. If there is anyone out there using only Lightroom they should try Capture One, otherwise suck it up. It will only get worse.