Ongoing scams are the major reason that is keeping people away from bitcoin as they have fear of loosing their money and that is logical as no one wants to loose their hard earned money.
No it's not. They aren't thinking much on the brighter side. There are lots of scam today but no one will be scam if they will not allow themselves to be scam.
Bitcoin is money so better they know the risk of investing elsewhere.
Yes, you are right, because recently bitfinex has been hacked, and it is not first time even it is more than one, but people never hate to bitcoins, and also those people who have a lost their amount in Bitfinex exchange, but they are still using bitcoins, but only the way of saving will be changed. Everyone know that it is a time of crypto currency and it is a easiest way to make profit and everyone can earn from crypto currencies.