Apostate prophet loaths some rich women; Prophet's wives sponsored his lifestyle?

In answer to the video "Islamic Polygamy"

So the prophet's wives were his rich sponsors and yet they are told that

33:28-29"If you desire this world´s life and its adornment, then come, I will give you a provision and allow you to depart a goodly departing".

These rich women, depicted as longing for material benefits, are told to leave the prophet if they so wish, in addition they will be given some provisions to allow them to start up their life anew? By the time this verse was revealed, and as shown in the direct context, the Muslims had conquered the rich agricultural region of Khaybar, and the community had grown more prosperous. But while life was becoming easier for most of its members, this ease was not reflected in the household of the Prophet.

As was always his habit, he only allowed himself and his family only the absolute minimum necessary for the most simple living

28:83"that future abode, We assign it to those who have no desire to exalt themselves in the earth nor to make mischief and the good end is for those who guard (against evil)".

His prestigious status as a prophet and ruler never came in the way of that humble principle of living. Not only was he not ever one to ask for any kind of reward from his addressees 6:90,25:56-7,12:104etc but every occasion where he could make use of his status and deep knowledge for material benefit, he would do it for the sake of the needy

58:12"when you consult the Messenger, then offer something in charity before your consultation; that is better for you and purer". 

The prophet's wives on the other hand naturally were longing for a share in the comparative luxuries which other Muslim women could now enjoy. His wives often stated that they had little on their shelves besides bread flour and dates. But it is reported that all of them rejected a possible seperation with the prophet and resumed their spiritual duties as "mothers of the believers", and were promised a great reward in the Hereafter for having denied themselves the ordinary comforts of life by remaining in the Prophet's house 33:31.