To me, it read like more like a veiled rant than a lesson. I just hope it was cathartic for the author, at least. I know it is for me when I put my frustrations

To me, it read like more like a veiled rant than a lesson. I just hope it was cathartic for the author, at least. I know it is for me when I put my frustrations into words. Although, I usually just delete those words when I'm done.