If somebody followed you, it's because they want to hear what you have to say. Ruining the message is bad for both parties, not just the writer.
There's always some risk when you present someone's message in a different way from what they meant it, but it's obviously worth it for people who couldn't read it otherwise.
Anyway, if you know that the screen-reader is going to explicitly spell out CONTENT WARNING, then the graphical interface should spell it out in so many words, too. But that's a choice made with hindsight; you can't always predict this kind of problem, and the real answer is to pay attention to how people are using your app and adapt for it if you think they're using it in a way that negatively impacts people using assistive technology.
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If somebody followed you, it's because they want to hear what you have to say. Ruining the message is bad for both parties, not just the writer.
There's always some risk when you present someone's message in a different way from what they meant it, but it's obviously worth it for people who couldn't read it otherwise.
Anyway, if you know that the screen-reader is going to explicitly spell out CONTENT WARNING, then the graphical interface should spell it out in so many words, too. But that's a choice made with hindsight; you can't always predict this kind of problem, and the real answer is to pay attention to how people are using your app and adapt for it if you think they're using it in a way that negatively impacts people using assistive technology.