Because May wants a massive Tory majority to negate the headbangers in her party who do want a hard Brexit - there are people who want the UK out of the EU at any cost, even if means considerable economic disaster. May wants a Parliament packed with Tories so the headbangers can't cause...
I don't know where you get that information from but Qriously was set up by three Austrian with private venture capital - it has no connection that I can see with the Guardian.
And even if it did, it's worth pointing out that YouGov was set up by Tories and is the only research company that...
Blimey, the eve of the election and the first poll that predicts a lead for Labour
http://www.wired.co.uk/article/election-polls-labour-conservative-winner
This is an outlier, surely. Most polls have a hardening of the Tory vote