I fully agree with the Op, I honestly don't understand how someone can trust an online service. Sony got hacked yet many people beleived a site like MBC would be safe even though it held real money. For all we know Google might get hacked by a few smart people in a few years. Things like those are bound to happen sooner or later.
Asssume for a second they have the equivalent of USD 500k in BTC. Now do a small calculation on whether it would make sense to hire a full time employee hacking the website for a full year. Is it worth it? Now think about salaries in some poor countries...
I am ok with someone storing his life-savings in an online wallet but I am not ok with the complaints that pop up when all the money is suddenly gone.
Some things are just bound to happen...