Those are more likely to continue working as they mostly work within the lines defined by the apple developer spec. The most likely workflows to break are those of programmers, as they require frequent execution of untrusted binaries and access to the system directories in some cases
A middle manager from Apple will easily toss all of Hollywood under the bus if it gets them a checkbox "shipped new toggle switch experience" and a promotion. And the upper management at Apple long since stopped caring about that.
I expect it will happen within a few years after Xcode for iPad is released. MacOS is simply too open for Apple's business goals.