This is really going out of topic…
Like seriously calm your ego Elyot… I don’t care if you are CEO or in the game industry, you are just being agressive in your posts. And posting a screenshot of people sayign they will stream to mixer isn’t something that will help the dialog
If your stack can’t change the headers there is some things to address in it because it means you have some kind of technical debt. There will be many similar problem in the future with all the different API that can be used in game dev so you need to take time to sort that.
If you are calling Twitch API directly from your game, you should consider moving that on your servers, so you can reduce the amount of API that your game is dependant from and it will give you way more control on this and you could even build feature, like featured streamers, showcase people using new content or stuff like this.