Earlier quoted context omitted.
The problem with the security industry is that there's no way for non-experts to reliably assess "I'm an expert, trust me!" from a practitioner. I'm not really sure what the best fix is; there are many possible ones. I've seen total clowns pushing decades-old nonsense be taken seriously by competent businesses simply because they thought "hiring an expert" was enough, like they're a plumber or something.
It is no different than doctors or mechanics or lawyers. Reputation is your best guide. In security-land, there are some certifications that are fairly rigorous; some of those can serve as a distant second.
I think that’s a big difference.