Yes? I'd imagine there are tens of thousands of people who are credible social media influencers and content creators.
He’s right in being skeptical that “people” (who?) thought that “being a creator” was a viable career path, as the article suggests was the case.
Being a content creator/influencer is a viable career path. There are creators with disabilities, creators that never speak, creators that never show their face. Not everyone makes great money but for many people the money is enough.