It's a visibility thing. Millions of circuit breakers trip in homes every year. Not news. Millions of homes go dark at once? News.

Hosted apps have a risk (coordinated failure) that desktop apps generally do not. 100,000 hard drives don't all crash at once.

Also remember that it's in the interests of journalists to assume a tone of authority, to write in a way that mimics reasoned analysis: "this is part of a recent trend". It's a little gratuitous, but it's not unnecessary bashing.