No one has any right to be mad. They have a choice to be mad, but that choice is imperative upon how they choose to do so. The online outrage over this is simply ridiculous.
This response goes right along with the rants others have pointed out. Feel free to move on to something else since. you no longer want to support the work done on Unraid.
I recently purchased a 3-pack of these. When trying to create my Unraid drive in Windows, they showed no GUID. Doing the same process on MacOS shows a GUID. Could this be a Windows issue?