GMAT Critical Reasoning (CR) | Re: Weight loss programs that guarantee results mislead their

Weight loss programs that guarantee results mislead their customers. No program can
ensure that someone who follows it will lose weight. These programs prey upon unhappy
and insecure people who are often driven more by emotion than by reason.Moreover, many
people who lose weight while on a program eventually regain the weight within a year.
So while the programs’ claims may be true for a short period, customers will be disappointed
in the long run. The two portions in boldface play which of