Yes, you're right. The article makes little sense. I think you're being downvoted because you didn't describe why you think it's senseless. I can list one reas

Yes, you're right. The article makes little sense. I think you're being downvoted because you didn't describe why you think it's senseless. I can list one reason: this study didn't account for unlimited plans. I think that alone is a pretty bad omission. In some cases you could use N terabytes per month for pretty marginal extra cost.