That doesn't really change the fact that it's hard. Do you know how many full movies are on YouTube that infringe on copyright? How many pirated streams are hosted on S3? How many piracy sites are behind Cloudflare. It's just very hard to police at scale and if something is flying below the radar it will be there for a while. They probably spread out their assets over many accounts, or even use misconfigured buckets with write permissions to drop some files in there.
That doesn't really change the fact that it's hard. Do you know how many full movies are on YouTube that infringe on copyright? How many pirated streams are hosted on S3? How many piracy sites are behind Cloudflare. It's just very hard to police at scale and if something is flying below the radar it will be there for a while. They probably spread out their assets over many accounts, or even use misconfigured buckets with write permissions to drop some files in there.