UPDATE (LATER THAT DAY): Amazon claims it was a “glitch.” Dubiousness abounds. See the comments section of this post for more. ORIGINAL POST: Twitter is aflame today, where it’s still Easter Day over in North America. For my part, I ran across the news on Tobias Buckell’s feed. Right, Amazon, do you want to know why everyone is offended by what’s been done? It’s because intelligent people — which are presumably a big part of your customer base, seeing as you’re selling books — can’t stand to be protected for their own good.1. They abhor it, they find it arrogant …