You can just use VoIP to call people it’s not a big deal and you don’t need to go the extreme ways which are being mentioned in the video you can also just spoof a lot of your device information, use a different OS etc. Minimizing privacy risks is always good but you don’t need to take it that crazy serious if you’re just a normal individual like me and you. We are low-value for big companies the more power, known you are the more steps you should take to protect your privacy.