This is a major reason why I don't do affiliate links outside of Amazon for anything I mention (I add tracking links sometimes if a company sponsors a video and requests I use one of their tracked URLs, but I won't do affiliate links for any entity I work with). It creates perverse incentives, especially if one of the services generates a lot of revenue for a channel/publication.
If there's a relationship with a vendor—especially in articles that review and compare different services—it should be obvious what that relationship is. Online tech publications and review websites are some of the worst offenders these days.
If there's a relationship with a vendor—especially in articles that review and compare different services—it should be obvious what that relationship is. Online tech publications and review websites are some of the worst offenders these days.