"ordinary concept of zariski open cover as inadequate ..." ... ??????? .....

???to what extent do we understand what this is really supposed to mean ?? ....

??in some ways as seeming somewhat adequate ... ??? .....

hmmmm ..... ????? ......?????

???grothendieck topology on poset site category as ... ???no more than "grothendieck [-1]-topology" on it ??? ..... ??? ....