It is certainly conceivable that people could make a different choice next time they decide to buy a phone. Others that feel more strongly could switch right away.
Maybe, if it were convenient to switch. But I've given up on believing in boycotts. E.g. People kept buying video games, no matter how shitty the business practice. Preoders, Lootboxes, Season Passes, Pay2Skip... all seemed to have made a ton of cash.
