Apple has argued that developers are its customers (in the Pepper lawsuit). What options do developers have? Ignore the iOS market (those most likely to pay mon

Apple has argued that developers are its customers (in the Pepper lawsuit). What options do developers have? Ignore the iOS market (those most likely to pay money)? There isn't a choice here: you let Apple have 1/3 of all of your revenue and you implement Apple Sign In. Because... competition?...