I’m a bit concerned it will further confuse new users but I don’t get this particular complaint at all. How could not being able to like someone else’s note (who can’t see your reaction) bother you?

some people use likes to catalog tweets to go back and look at in the future. most clients have a “liked” history where you can go back and look at them so it’s convenient to know you will have the same liking ability and history across clients

I used the like button to explore other users that I may want to follow. By using that feature I could see everyone that agreed with that note and to further determine if I may be interested in following them.

I don't know what client someone else is using. I'm typing this from Amethyst. I can like all posts. I don't know who is using Damus, much less who has #OnlyZaps enabled. Additionally, many people use multiple clients. They would see the like on clients other than your own. This creates much more ...