You should set your Desired Retention where you want it.
I think you’re mistaking what minimum recommended retention is. First, it’s a minimum that you’re under no obligation to stick with. Setting your DR lower than that will mean you’re working harder to learn less, but you are always free to work harder to learn more. Deck Options - Anki Manual
You might want to re-read some of the answers you’ve gotten when you posted about this before.