a) Nothing has settled down yet, we're clearly still transiting to a new status quo.
b) Because of cov one can not expect extra cash to be presently free to allocate. It would be unreasonable to expect it. Lord knows the Chancellor is spending enough already.
c) No one is begging the EU for anything, other arguably, that they obey the law and treat relationships in good faith. Our contracts are with commercial concerns not the EU; the EU should not threaten to steal others' goods. Besides, I understand the commercial concerns being threatened by the EU need fatty molecules, which are crucial elements, in order to make the vaccine, supplied by a UK company. Elements that could dry up if the UK mimicked similar activity to that which the EU is threatening.