How often I do it doesn't matter because it's such a trivial thing to switch. If you're gonna "try it for a few weeks" the part of you that has to learn the typing-specific parts of that method is about 1% of the difficulty.
It's really easy to ignore typos. And the way you have to approach thinking and correcting is the same whether you're typing or voicing.
If you can't just type the way you would just talk, and you find it notably hard, it's you that's being ridiculous.
But it's literally not. You already correct yourself and revise your speech in an append-only rolling edit. You do it all day every day for decades.
Versus never writing in this way.
Have you tried the voice-based prompting, as I'm describing?