The material force of ideology makes me not see what I am effectively eating. It’s not only our reality which enslaves us. The tragedy of our predicament when we are within ideology is that when we think that we escape it into our dreams, at that point we are within ideology."[1]
This is a really nice documentary about all the unspoken assumptions that permeate our day to day lives, I would really recommend everybody to see it.
None of this is scientific or empirical, but the thing is, neither are the myriad of day-to-day assumptions that we usually take as obvious or common sense.
[1] The Pervert's Guide to Ideology (2012)