Not really, no. I would use either Windows or Linux on the desktop, and run the services and the other OS in VMs.
Personally I use Windows on my desktop, and I have a Linux VM running docker containers. I use that same VM for random Linux tasks I can’t do on Windows too.
“High-caliber” “advanced sniper rifles”? If they’re talking about the short-barreled ARs in the picture, they’re neither.
I don’t get why news outlets make shit up like this. The truth is worse: those rifles are for close-quarters boots on the ground. They’re what you want when you invade and fight door to door in a city. That’s exactly what they’re going to use them for: systematically killing anyone they find in the target area.