Before everyone goes too crazy,my 2001 16'Side Dinette did not have any supports from the factory.
I called and talked to them about it at some length and was told that they are not really needed and there would be no issue from it. Some just don't like them and the way they looked.
That explanation does not entirely make sense to me but that particular unit was made without them and I have seen others too with no real rhyme or reason behind it?
Maybe with no roof air they are not needed?
Anyway just to cloud
the issue further do not be so sure that they were removed.