It's unfortunately a bit of a lose-lose. Anything other than extremely surface level updates to the spelling system will disadvantage speakers of nonstandard dialects. If we decentralize spelling rules and have everyone write as they speak, only those who speak standard-adjacent dialects will be widely understood in writing. At least in its current state, the spelling system is more or less equally shitty for speakers of basically every dialect.
It's unfortunately a bit of a lose-lose. Anything other than extremely surface level updates to the spelling system will disadvantage speakers of nonstandard dialects. If we decentralize spelling rules and have everyone write as they speak, only those who speak standard-adjacent dialects will be widely understood in writing. At least in its current state, the spelling system is more or less equally shitty for speakers of basically every dialect.