I might not be able to build a skyscraper but I can nail some boards together, plunge a toilet, wire a room, or lay some tile.
Basic home maintenance is something that everyone needs to understand regardless of whether they own their place or not. People need to know enough to be able to delegate to experts and not get robbed in the process. People need to understand what they are buying.
People need to be able to fend for themselves on a very basic level.
This American love of stupidity only serves to make for easier victims.