They're not stealing anything. People should read the legal contracts they sign or to which they otherwise agree. Streaming services typically include a clause about the right to remove content for any reason and regardless of who has purchased it. This is exactly why their courtesy notice doesn't include a word about refunds and a perfect example of the serious societal problem of people having a knee-jerk reaction to something merely because they haven't been paying attention and didn't do much (if any) research prior to venting their frustrations to the world.