He is squeezing peoples balls to force a slightly amended deal and then get it agreed its called brinkmanship, he is in a corner as he said all through his campaign "we leave on the 31st" he lambasted May during that campaign for extended her due date.
At least the can is not being kicked further down the road, gloves are off.
Its a pity the once popular JC ,didn't show more zest during the referendum,
it might just have made all the difference , and we might have got a yes remain vote.