At that point smuggling an audio recorder to the class might lead a better reproduction of the material.
all of these things are solved problems
I also doubt you are aware how seriously distorted the result of the speech to text conversion would be for a non-professional recording of any non-trivial lecture given in English (e.g. domain specific terms).
also remember how i said it records audio and logs in real time? yeah, just listen back to it and correct the one or two words it garbles. works just fine. people want to complain not use the solutions that exist. i'm sure writing in latex is trivial and doesn't have you googling issues every 2 hours lol