Klaviyo is automatically excluding likely unsubscribers at send time.

Klaviyo added Audience optimization so marketers can automatically remove profiles likely to unsubscribe before a campaign goes out. Source: Klaviyo, “What’s New,” feature “Optimize your audience with a single click” (source page does not expose a clear publish date).

What happened: Klaviyo publicly moved AI audience control from analysis into send-time action. The product now uses predicted unsubscribe risk to shrink the outgoing audience before the message is sent.

Why it matters

This is a real competitive move toward pressure discipline, not just personalization. If the incumbent platform is deciding who should not get the next message, then “more AI messaging” stops being a serious strategy. The smarter layer is the one that protects list quality and revenue at the same time.

Tailored implication

Use churn-risk and irritation-risk as routing inputs before a rep or agent pushes the next sales message.
Separate high-intent hesitation from fragile subscriber fatigue so TailoredTexting does not treat every quiet customer like a follow-up opportunity.
Report when restraint preserved deliverability, list health, or margin, because the category is starting to automate suppression as aggressively as promotion.

Bottom line

Klaviyo is automating who should be left alone. TailoredTexting should own the harder decision inside conversations: when to press, when to cool off, and when another message would cost more than it can recover.