Exactly. This is the method for being able to say you predicted 100% of the stock moves over the last year - while getting endorsements from people who followed your recommendations.

Send out A/B newsletters. Group A gets a version which says a stock will go down. The B group's newsletter says the same stock will go up. Rinse and repeat. You are guaranteed to have a path to victory...

In other words, don't believe everything you read or watch, even if it is from a newsletter or youtube account with 100% success.