I like how they say that only people with technical skills can remediate this malware but many of these boxes are very cheap, I've seen them on AliExpress for $15 or so.

To replace the firmware is about a 1-hour task following online guides.

So if being cheap is your primary objective it's definitely not off the table to buy these boxes, just know that when you buy them your first task before they are ever connected to the network is to reflash them.