It’s very silly for work from home people. Nothing stopping you from using a personal device at home. One thing is to stop phishing/malware but tracking at home when you can just use a personal device is silly.
You absolutely can't "just use a personal device" at home at a lot of larger companies. I mean you can try, but mostly you will just not be able to connect to the network, and if you do manage to get through you will probably be fired.
The tracking might also check if you are doing anything on the company system. Hence a market for mouse jigglers to give the impression your work computer is in use.