Like any get-rich-quick scheme, bitcoin scams thrive on the gullibility of its victims. Just because it's a digital currency doesn't mean you can acquire wealth quickly.
Scamming is a problem in a digital world. Thieves are always there wherever wealth is. There are just lazy people who just want an easy way to get wealth. What are we going to do? Well sad to say, we should not trust anyone with our private keys and any other personal details.