It is hard to say. It is part of the system. There are many similar examples. If you drive a car, you can kill yourself with it in case of an accident. If you play soccer, you can break your legs. If you fight, you lose an eye. Many similar examples are possible. Our society cannot exist without some bad practices. Scamming is a part of those bad things. The technologies we create are not perfect. For that reason, scammers and card thieves will always exist.
Wait, how can you compare scammers to losing an eye in a fight? Saying that technologies aren't perfect is like saying that women dress provocatively, so there will always be rapists. That is a very unpopular opinion. In your examples, you are talking about when a person himself makes a mistake. In the case of a scammer, it's the scammer inflicting something bad to somebody else. I think the biggest issue is how hard it can be to catch scammers using modern technology. Borders also create a huge barrier. Maybe an American law enforcement agency can identify that scammer are in Burkina Faso, but it'll be hard to the to bring them to justice in another country.