Because the last time Meta removed malicious ads from its platform was the Paleozoic era, a malvertising campaign that used Meta ads to trick users into installing Windows malware has now expanded with Android payloads! Yoohoo!!!

Malvertising Campaign on Meta Expands to Android, Pushing Advanced Crypto-Stealing Malware to Users Worldwide
Many people believe that smartphones are somehow less of a target for threat actors.

Bitdefender Labs (www.bitdefender.com)