There is “The Cupertino Effect” to make that case that writers need to learn how to spell.
The long version.
The short version.
And then there is my contribution
Don’t Depend on Spell Check
When ewe right, ewe should remember two double Czech you’re spelling. Spell check will knot catch awl miss takes.
As eye sit hear in my office reeding articles, eye one dear how many thymes I have scene speeling errors that should have been avoided.
Spell check a loan does knot prevent miss steaks.
Sum times using the grammar Czech helps too identify some miss takes.
There is nothing like reeding a story out loud. When ewe reed sum thing and here it, ewe can often sea wear the mistakes are.