It's 12 years since Satoshi released Bitcoin whitepaper and since then, the numbers of believers have been increasing. Which turns out that it's good.
Cryptocurrency is freedom, and who doesn't?
Decentralization isn't scam. It's open source. It's the best gift. Only a person without proper understanding will think it's a scam.
And that is indirectly saying that the OP has no proper understanding.

If you will look at his post history, he has some bitterness to bitcoin or crypto but wonder why he is still here wasting his time, if he doesn't believe in bitcoin. Anyway, we don't have to assume that bitcoin is scam because it is not. Plain and simple.
Bitcoin is simply not a scam because it is continuously improving as time goes by. Its improvement is getting bigger and bigger because before, the price of bitcoin is just 50$ and now it is hitting 14,000$ and not yet giving a sign of it that getting lower so it still can fight until it hits 15,000$. If it hits 15,000$ we will earn a lot and it will be the proof that bitcoin is not a scam. People will only say that it is a scam if the price goes down to the floor.