It was a loophole the author said was closed. If for some reason it isn't and you can find something similar just keep it to yourself. If AS were to add routing limitation, MPM or max segments it will make harder for those of use who do not live in a major AS Hub city to get any decent awards. Similar happened when people on FT and Blogs made a big deal and bragged about their crazy United awards, it became harder if not impossible to get to more out of the way destinations