Meatspace disapproval signalling is expressed instinctively, unless conscious control is applied. It's opt-out. Emojis and downvotes require actively choosing

Meatspace disapproval signalling is expressed instinctively, unless conscious control is applied. It's opt-out. Emojis and downvotes require actively choosing to reply. They're opt-in. And we know damned well that opt-out yields much higher volume.