If you have Win10 then you do not have a fake version of Office working.
You may also want to consider David's point regarding folks who just don't have the money; should they be kept in the third world because they don't have the money to pay? Is it ethically allowable for a corporation to design a global standard then force everyone to pay for it, against international laws and regulations? You'll noticed that MS gets fined time after time after time, but does not change it's behaviour - if that was you, it'd be 3 strikes and out; you'd be sucking Bubba...