Winnip-egging

You ain't never seen the rage of a Canadian. Frustrated by Bruce Springsteen's pulling of a Winnipeg gig "because there'd be no time to get the stage to Ottawa", the good citizens of that place are intending to hurl eggs at the Boss' convoy as it drives past.

We're just a little confused as to how Bruce's people could have managed to arrange a gig without realising that they had no time to make the logistics work in the first place. Surely they're not that inexperienced, are they?
But, yes. Egg on Bruce's face.