I wrote a (very long) blog post about those viral math problems and am looking for feedback, especially from people who are not convinced that the problem is ambiguous.
It's about a 30min read so thank you in advance if you really take the time to read it, but I think it's worth it if you joined such discussions in the past, but I'm probably biased because I wrote it :)
It's like using literally to add emphasis to something that you are saying figuratively. It's not objectively "wrong" to do it, but the practice is adding uncertainty where there didn't need to be any, and thus slightly diminishes our ability to communicate clearly.