Earlier quoted context omitted.
They may well be exact homophones in some/all dialects of Russian, but I'm not sure that children having to memorise spellings is evidence for that. Don't both English and German, for example, have almost-homophones that children typically learn to distinguish by learning the spelling rather than by hearing the subtle difference in pronunciation? If you look at the spelling mistakes made by 12-16-year-olds in England…
> If you look at the spelling mistakes made by 12-16-year-olds in England and Germany, don't you find a significant proportion of them are caused by the child having incorrectly heard how people pronounce the word? I don't know about England, but I think in Germany it's more common that children represent the pronunciation accurately, but are "corrected" by adults who want to enforce the standard orthography. E.g. ta…
Represent the pronunciation accurately, or the children's pronunciation accurately?
It's a bit more interesting in English because a common mistake in English is to pronounce a word as it's spelt. For example, the T in often is supposed to be silent ... OK, that's me being prescriptive, but well-educated older speakers hear younger people pronounce the T in often and they disapprove.
I suppose parents and teachers have different incentives here: parents want their children to resemble them, make a good impression, and sound educated; teachers want the children in their care to get good marks in written tests and exams.
Knowing how to spell diarrhoea is less important nowadays in real life, because of computers. If you don't want to look stupid you still have to know it's guerrilla marketing rather than gorilla marketing, though. Computer will tell you how many Rs in guerrilla.