You are absolutely right about it but the platform of twitter is now a game of earning followers because if your followers/following ratio is high that means you are authority or celeb in that field and ya it will deteriorating the image of following in twitter but I have to tell you that there are very small percentage of people who know about unfollow apps. Mostly are common users who are using twitter as a Facebook account. So, if your content grabs the attention of this user, then I assure you that they are never unfollowing you in their entire life...
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