Is it the phone, or the social media? The article only really mentions social media as the real issue.
Subsequently, does that mean social media on a computer is 100% A-OK? (this is a mobile phone carrier so it makes sense that they’d only focus on phones)
All smartphones can access social media. But they also have some really good (mostly intuitive) parental controls. So if you don’t want you kid on Facebook just block it.
What does it matter if the child is on a phone all day va on a computer all day? Sure you can’t really do that in class, but what about the other 16 hours of the day?
This is false information. You can limit what apps they have with safeguards with many different services. Google family, Samsung family share and Microsoft family all have limited app options where you can let through whatever you think is good enough. You can also only allow a certain amount of hours for each app on a daily basis. There are so many safeguards if you look it’s not difficult.