A Professional* Skeptics’ job is to poke holes in any ideas that run counter to mainstream official narratives.
A Professional* Conspiracy Theorists’ job is to poke holes in any ideas that are part of mainstream official narratives.
A skeptic isn’t a Professional*, and doesn’t have a job, but a habit of questioning both of the above.
All three are valuable, because each can unearth truths the others cannot.
*Someone whose brand is wrapped up in Skepticism/Conspiracy, whether or not money is involved.