I guess what may be disturbing is more the inconsistence in approach than the outcome itself.
It's hard to me to blame events specifically while you have a plenty of dailies since time immemorial. I can recall how I progressed both Argent Tournament and Molten Front at once. That was a pretty stale schedule, day by day, not without a kind of self-denial.
Yet nobody thinks about suspending every daily possible.That'd be another extreme, though? We and the Legion, fight them now, no time to move on? Actually more immersive than our average
'They're beating the King!' 'Shut up, who cares?' 
Note that nothing stopped the devs to release the invasion during the Darkmoon Faire and this is my personal concern as this week I'll perhaps have to stay outta home to 6 p.m.
One of the WoD patches was in line with Midsummer.
Convert all dailies to weeklies! :F