PPRuNe is ultimately, a rumour network with no claims to accredited or even factually accurate content. That sensible piece of advice you've just read on a PPRuNe post could be from an experienced pilot/engineer, or it could be from an armchair mechanic writing from in between his buttocks.
OK, my real name is John Smith and thus everything I write is 100% copper bottomed truth.
Some of the stuff written by the old hands in UK GA is dreadful patronising crap. I won't mention names - everybody knows who they are.