If you read the article, you'd know they're blocking all embedded browser frameworks, including CEF. Embedded chrome has the same security risks. This isn't a partisan policy, nor is punting responsibility to the end user to make decisions always better. Even as an educated engineer, you have no way of evaluating whether that embedded browser is doing something nefarious with your login data or not unless it's open source, which few mobile apps are. Non-actionable warnings are meaningless.