Kat,
Snopes does not say the article is incorrect. Snopes rates it as a "MIXTURE: Multi-colored bullets identify claims which are a mixture of truth and falsehood."
Snopes has a problem with the author's conclusion - not disputing the FB Mobile Messenger TOS:
"Whether Facebook Messenger's TOS are truly "insidious" or not, Sam Fiorella warned that if users are willing to accept TOS as lengthy and involved as Facebook Messenger's without reading them, app developers might be "emboldened" to include even more potentially invasive conditions in future TOS:"
The author of the article says:
"If this many people have not read the Messenger Terms of Service (or have read it and don't care), how emboldened will mobile developers be in the future? I understand the nature of "free" mobile apps. I'm prepared to give up some personal data for the right to access a game, content, or social network for free and to have an improved advertising experience while enjoying that free service. However, Facebook has pushed this too far. It's time we stood up and said "no!"
Snopes comments in reply:
" In order for apps to do what they need to do efficiently, they need to be granted a variety of accesses and permissions by users. Do we accept that such access will not be used for malicious purposes (by either the developers or unauthorized third parties), or do we give up ease of use in exchange for more cumbersome protections?"
Snopes in no way disputes that Facebook Mobile Messenger is making their users agree to their Terms of Service which include:
Allows the app to change the state of network connectivity
Allows the app to call phone numbers without your intervention. This may result in unexpected charges or calls. Malicious apps may cost you money by making calls without your confirmation.
Allows the app to send SMS messages. This may result in unexpected charges. Malicious apps may cost you money by sending messages without your confirmation.
Allows the app to record audio with microphone. This permission allows the app to record audio at any time without your confirmation.
Allows the app to take pictures and videos with the camera. This permission allows the app to use the camera at any time without your confirmation.
Allows the app to read you phone's call log, including data about incoming and outgoing calls. This permission allows apps to save your call log data, and malicious apps may share call log data without your knowledge.
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals.
Allows the app to read personal profile information stored on your device, such as your name and contact information. This means the app can identify you and may send your profile information to others.
Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
Allows the app to get a list of accounts known by the phone. This may include any accounts created by applications you have installed.
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The original post is correct and nothing in the Snopes link you provide disputes that. It just explains it.