Well, neither did they! They are not the inheritors of the ancient Egyptians, but mere thugs and conquerors. Of course, the ancient Egyptians were thugs and conquerors in their own day! But that day is long long gone ... ancient history, so to speak.
Well, yeah, that too. What Simcha doesn’t seem to know is, the Israelites may have built at least some of the Middle Kingdom pyramids, which survive, and were indeed built of bricks.
http://www.ancientegyptonline.co.uk/black-pyramid-dashur.html
http://www.varchive.org/ce/joseph.htm