I just checked the NIPs, and it turns out that just last month, NIP-23 clarified that replies to articles should use NIP-22.
https://github.com/nostr-protocol/nips/blob/master/23.md#replies--comments
cody / Cody Tseng
npub1sy…wf6wl
2025-04-27 08:44:23
in reply to nevent1q…x6la
Author Public Key
npub1syjmjy0dp62dhccq3g97fr87tngvpvzey08llyt6ul58m2zqpzps9wf6wlPublished at
2025-04-27 08:44:23Event JSON
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