Sure, open source will always have the potential for the most privacy, assuming the user is savvy enough to maintain updated security. The article was primarily focused on Apple’s hold of the smartphone market. In the US, the only real competition is Android. Google is transparent about their consumer data use, and they also don’t offer much in the form of personal information privacy outside of encrypted RCS. For example, third-party apps can access user data and enable hardware APIs without first requiring user permission.