How much do you want to bet that Epic and Spotify would pull their apps from the App Store or limit the features of their apps on the App Store in order to force people to their preferred platform?
This isn't even hypothetical. Spotify already refuses to add features to the Apple Watch.
No, the argument of the poster you are replying to is that these companies are competing and rooting for one or another doesn’t benefit anybody, developers or costumers.
This isn't even hypothetical. Spotify already refuses to add features to the Apple Watch.