I wouldn’t use the term ‘omnipresent’ as all materiality arises and ceases instantly. We are considering the Commentaries, right- do you have a citation saying that kalapas (as in individual kalapas) must be seen in meditation? see also this thread:
as I see it Robert: during the development of satipatthana the processes that understand an element know the nimitta of the reality-. So the actual reality has just fallen away but we still consider it as present moment.