Juncker merely hinted towards the fact that what you think no one's in Westminster is doing ain't gonna fly. He just signaled May that her "Bend over and let us cherry pick what we want"-approach won't bear fruit.
The very fact that you're throwing a tantrum over his positioning in the matter, contradicts your own statement of "I don't anyone is doing that". Of course the Brexiteers are. "They need us more than we need them" and all.
But at least there's one thing you can find comfort in:
It's always been the EUs fault and it continues to be if the return to the glory days of the Empire shouldn't pan out as envisioned