Yes, if someone specifically targets you and can get through the security on your router, and on your home network, and then on your system. That scenario is highly unrealistic. And if they can do that, they're not in it to see how you look on your camera or what you do in front of your computer when you think no one is looking.
But it's good to hear an experienced IT expert recommending the tape approach instead of talking about the ways in which you really could take steps to protect your privacy on the net. A safer recommendation (and in fact the only truly safe one if you're in fear of government monitoring or serious criminal attacks) is to just not use the internet at all. Doesn't anyone catch the irony of so many people going on social media sites and complaining about potential "tracking" and security breaches?
People really need to try to get a grip on what's possible here, what's likely, what's reasonable and what's unreasonable. And then actually adopt whatever security measures meet your fears and needs. Hey, if it's tape that makes you feel good, then go ahead and use it. At least you'll feel good. And it's cheap! And doesn't require any thought!
How many of the security whiners are willing to pay for a VPN and take what care is necessary to genuinely protect themselves as much as possible from "monitoring" or intrusion? How many people who are reading this on this forum even know what a VPN is? How many of these people just don't realize that they're basically whining about burglars stealing stuff from their homes because they don't have locks on their doors (but they've taped paper over all the windows!
)? Never mind. Just keep voicing the vague fears and complaining about the government and the big corporations -- and don't think about doing anything useful about it to actually protect yourself.
Me? I know the scope and limits of my home router and network security, and I know what not to do in order to avoid making access to my systems vulnerable. And yeah, I can drop the "I worked in IT" credential as well. And so did two of my children (IBM, Red Hat, and HP), one of whom actually acted as a security expert at two of those companies for both Windows and UNIX/AIX/Linux for several years. But that doesn't mean you should listen to me. What you should do -- if any of this matters to you -- is to learn about it. Social media sites are not the best environments to do that.
But they're excellent environments for complaining about it. And -- like the tape -- that makes people feel better.