This is a common problem across militaries. It is difficult to stop soldiers from leaking their location if they have access to mobile phones and the Internet. Individual cases are usually a combination of naïveté, ignorance, and an unwillingness to be inconvenienced.
It still happens in Ukraine, where immediate risk to life and limb is much more severe than this case.
It still happens in Ukraine, where immediate risk to life and limb is much more severe than this case.