My C-bit prefilter is a winner, my friend.
Convinced? ⇒ bc1qvmw6hxf7fhatxstf7vg53cd3n2a4jfa8at9wa6

I'm not. Maybe Bram is, who knows?
You still do the same amount of hashing, so there's zero saving. We don't need to derive an address. The H160 is always enough.
Nice try though.