Reacting to a WhatsApp Status is too easy to do by accident. The emoji bar sits right next to the reply field, so a misplaced tap sends a reaction instantly, no confirmation, no easy undo.
Fix 1 — a cancel window. Tap an emoji and a 3-second countdown with a cancel button appears before it sends. Let it run out and the emoji bursts off to the profile icon, confirmed. Cancel, and it animates back, nothing sent.