"First, they identified the top keywords and celebrity names that Japanese Ad Library users employed to find the fraud ads. Then they ran identical searches repeatedly, deleting ads that appeared fraudulent from the library and Meta’s platforms."
That doesn't sound like cloaking. They really are deleting the ads. They're just concentrating on the ads that the regulators are most likely to see based on what they usually search for.
From the article, "In large- and giant-breed dogs, breeding for size caused these dogs to have highly elevated levels of IGF-1, a hormone that drives cell growth. High IGF-1 effectively drives these dogs to grow large when they’re young, but high IGF-1 levels in adult dogs are believed to accelerate their aging and reduce their healthy lifespan."