Yes, I guess if you're allowing users to upload arbitrary files that may contain viruses or malware, and you're not scanning the files, that makes you a potenti

Yes, I guess if you're allowing users to upload arbitrary files that may contain viruses or malware, and you're not scanning the files, that makes you a potential malware host. That's how Google may see it. They're trying to protect their users, and you've created a vector for infection.