ETH is actually difficult to hack, most of them who lost their money caused because they enter their private key in web fishing.
We will not know what will happen in the future for etherwallet, we will see how the vital action to deal with things like this
The problem is... NO BODY CARES.
Which means, Vitalik will not send that losted ETH back to the owners.
Also ETH blockchain sucks, lacking with sidechains.
And I don't like thier politic on the market.
It's a big money bubble based on smart-contracts.