Major iOS developers have already opted out of Apple Silicon Macs
9to5mac.com
9to5mac.com
There was no theory that all apps would be available. Craig Fedherhigi was clear in his interview with Gruber that they expect developers to adopt a variety of different strategies.
Once an app is in the store for the Mac, users will expect it to remain there or be supported.
For anyone who hasn’t decided on a strategy, not putting their app in the store yet is the right move.
Prime example - the non-standard print dialog in chrome that offers zero benefit, and just causes regular users to need technical support. They saved a tiny amount of their developer time at the cost of millions of hours of customer time.