Yes. Developers should make software which makes them happy (even if it's just by getting paid for it). Always remember that other people's opinions might differ from your's, so even if you think these apps are useless, there are people who love them. To be honest, I ❤ TikTok 😉
By the way, the reason for the application is creating a mass-social application, which goes viral and then generates lots of 💲💲💲
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