You send mostly promotional messages, where the primary call to action is "buy this thing"
You are using Messenger to promote "flash sales", "fire sales", or and kind of "sale".
You send messages which get reported as SPAM by your subscribers
How to use Messenger Chatbot so that it does not get banned:
Imagine you're talking to your closest friends and family. What would you say to them? If you had something to tell them about, how would you approach it? That's how you should write in Messenger
Be clever don't just sell it make it attractive to start conversation with users. More consistent your bot is in sending messages which leads to no-reply from your users means you are not writing effective content.
Provide value. Botsify is a wonderful tool for helping your subscribers get the information they need about your offerings through scheduled messages and Broadcast messages. Help your subscribers understand how you can benefit them. Make it fun. Make it personal.
Help your customers understand value and your product, do not hard sell it. Elite sales organizations use Botsify to have conversations with people who aren't quite ready to buy. They might have few un-answered questions which you can answer via Chatbot. But selling a product which they don't understand, It might also get you banned.