You want it to say 'favorite' next to every comment? That would clutter up the discussion pages a lot. For something that's not used so often, why do you think

You want it to say 'favorite' next to every comment? That would clutter up the discussion pages a lot. For something that's not used so often, why do you think that would be worth the extra clutter? Anyway, it is already consistent - the 'favorite' links appear for stories at the top of the story's page, and for comments at the top of the comment's page.