Yep - same at Toronto Blue Jays and Toronto FC a couple of months ago. At the baseball, our water bottles were emptied into plastic cups before we even got near the ground - wouldn't surprise me if this is the next step.
Might just be my point of view, but nothing the club has done has negatively affected my loyalty. Banning bottle tops - fine, it just brings us in line with the other major sporting events in the country (and the world). Banning flasks - bit annoying, but given the current climate, I can see why...
That's a genuine problem with Twitter and social media in general. So many people were shocked about the referendum outcome (including me) purely because we surround ourselves with like minded people. I used to just follow & engage with people who have similar political views as myself, so...