I have no idea. I think instead of replying to a note, they're just writing a new one with no context.

Air reply, air zap, air hug, air dance...

nostr:npub1dc9p7jzjhj86g2uqgltq4qvnpkyfqn9r72kdlddcgyat3j05gnjsgjc8rz see? That's the theme today.

nostr:nevent1qqs0wkgllrjdnvesc0zr6yxuj89l2azktx98vj2pjd7zna4f5wrp33qpzpmhxue69uhkummnw3ezuamfdejsygzp3gt7hrr6gqlmz5e5ye8ct7m6xhfnu88u04476cgfx8gmvjet8gpsgqqqqqqszqkq2p