“Likes” are an interpretation by your client. Some clients will allow multiple different emojis as a “reaction” and your client may interpret any emoji as a “like” but if the “reaction” was actually a “thumbs down” then is it really a like? Do you know what the specific “reaction” was?
Discussion
For example nostr:npub1pld5cfdvvk09a7zpmtt5zln6277gpxw577xrcsdyp9x5h8yfjw6q52x9q2 gave your note “👀”. Which I interpreted as “watching” the note. But my client makes the hearts on the note a count of 1 because of it.
Thank you for pointing out the difference. I use Amethyst, which shows different emojis as reactions. I'm going to say reaction instead of like from now on. In the case I'm talking about, it comes out as a heart.