This is absolutely correct. Heck, you're free to deny that based on any reasoning, maybe the shoddy icon of the work app doesn't match your phone wallpaper.
The phone is your private property, if an employer requires an app to be installed to do your job, they can provide a phone.
I would also never let corporate IT manage a device, e. g. a laptop connected to my private network at home.
Is anyone speaking Chinese able to tell me what the guy in the first scene of the video is crying out? The one where the rocket falls horizontally. I mean, I have a general idea what is being said there conceptually, but I'd love to get an actual, accurate translation.