One of those things that decrease in usefulness the more people know about them since the main reason they're used is not as a mnemonic but as a cheat to avoid reading the actual material at all. So of course every essay marked contains the same canned shit. It's like dropping wikipedia urls as primary sources nowadays.
Same thing in #finance: most tricks only work with as little users as possible since a lot of them operate off information arbitrage. If the guy pitching wonder methods is having sellout seminars the alarm bells should be going off. â°