I don't really know, but you can certainly be supportive, as Mr Green told me, and pedantic at the same time. Mr. Green hinted their process was laborious.
One says "We are going to do the deal" and the other says "But we have our own procedures to go through and our lawyers are very fussy".
Mr Green is a sensitive salesman and uses language like 'supportive'.
Mr. Pearce is a hard-nosed businessman who uses 'pedantic' to vent his frustration at the time it is taking when he knows the deal will be excellent fopr all parties.