The best thing about this is its simplicity, it's easy for new people to understand how to create chatbots with it. It has many useful features which are very helpful in creating a conversation between two users. There isn't much I dislike but there could be more options given when you're building your bot.
If you want something simple then go ahead with this because it will suit all types of businesses. We use this at work so we can easily communicate with our customers without having to waitβ¦