At just over $1000 the board itself isn't that expensive as things go. A pair of 64 core CPUs could set you back fifteen grand, though, and 4TB of RAM gets expensive fast.
Potentially unwanted programs - that is, programs that aren't explicitly viruses but that you don't want running.
Whether this is a good or bad thing depends on how well it is implemented. MacOS has the same feature, and when a server at Apple went down no Mac users anywhere in the world could run anything for a couple of hours.