I think the main issues are that the folk doing the negotiations are seriously lacking in intellectual capacity and apart from when they go to the EU they are living in an echo chamber that simply reinforces their own position and no one ever questions it.
Del;uded fools in other words. Utterly stupid intheir action. completely incapable of doing any of this right.
Every day the bad news gets worse. History will not trat them well
No deal is possible from here. No significant progress on the major stumbling blocks has happened at all.
Paltry offer on EU citizens that is never going to be accepted, complete fantasy over NI and an unwillingness to pay our way.
Its donald ducked