Scam is too much of an accuse against paper money even if we know that their future can be limited. Don't forget however that still in our day fiat is the major trading globally as to many economies are floating around paper money. The other part is that Bitcoin is coming hard and is trying hardly to get a reputation of a global use currency with mass adoption.
I do not understand why you do not think that paper money is a scam, if you were to print paper money then you will be accused of counterfeiting and you will go to jail but when governments print paper money then they call that monetary policy, you do not see what it is wrong with that? If governments can print as much money as they want then they can steal from all the people that are holding their fiat and that is why they hate bitcoin since they cannot steal from you anymore.