Among parenting social media influencers, this is a gamble for building rapport among an audience:

Make some extreme claim that may or may not work for some portion of people who hear it. People who hear it, try it, and find that it works will vividly remember the influencer as being correct. People who try it with no results will quickly forget it about it.

Repeat across several claims and eventually some percentage of them will be correct for the audience.