No-one expects companies to pay the full whack of tax. But Facebook is taking the piss. They need to be a bit careful, because they risk causing much tighter tax regulation in EU. Citizens don't see this behaviour and think "well done, got one over on the government". Most citizens are infuriated by this scumbag behaviour. And before anyone says "they're just obeying the law" -- we don't know that. They're clearly no…
I think this is going to happen anyway, as it's not just Facebook. Governments see it as a reduction in tax, and it's politically safe for a Government to do without getting voted out.