What was wrong with it was that it was deliberately inflammatory, goady bollocks Lashes. 
The minutes silence was a joint gesture of solidarity and a moment to acknowledge the pointless murder of 38 people at the hands of a fucking murderous wanker.
Russell Brand just jumped on it as an opportunity to promote Russell Brand and his bullshit student-level political views.
The existence of isis' particularly brutal and murderous strand of Islam has been around for centuries - 'the west' have fuck-all to do with it. 'The west' is just a convenient banner under which to rally and 'justify' their violent, murderous ideals.
If Russell fucking Brand wants to go to Syria, then I hope he hurries up and fucks off there quite frankly.
There is a funding page set up already for his ticket and I'm sorely tempted to contribute, quite frankly.