> Apple being the largest sponsor of Objective-C would suggest that you get greater vendor lock-in out of it than Swift
Fun fact, you can use Objective-C on non-Apple platforms [1] and with Cocoa APIs courtesy of the GNUstep project [2].
Yes, but does anyone today really do that? The only value I see out of Objective-C on its own is as a performant and compromising Smalltalk.
[1]: https://github.com/transmission/transmission