Just because someone has less followers or less reads/votes on their story, it doesn’t mean you shouldn’t reply to their messages or the comments they leave on your book. It also doesn’t mean that you shouldn’t take their advice when you chat/discuss a topic.
Maybe they are just starting out, maybe they don’t know how to promote their work or maybe they don’t have luck… ‘Cause let’s face it: getting discovered depends on luck as well.
Low numbers don’t always equal “I’ve got nothing valuable to say”. But even if you don’t agree with them, tell them so; don’t just ignore them because their book isn’t on Wattpad’s Hot List.