If you normally drive the van with a load on the rear axle and it went for a service with nothing in the back, that could explain why they adjusted it higher.
It's exactly how trump operates. See the threat he posted this morning to block federal funding to universities that "let students protest" - he's going to block funding anyway, he just needs a plausible way to blame them for it.
Same thing here - a plausible way to blame Ukraine for withdrawing US support.
And sometimes also astrophysics