If greed of man is unbound, how come computers, TV's and airplane tickets are so much cheaper than decades previously? The idea that people involved in housing

If greed of man is unbound, how come computers, TV's and airplane tickets are so much cheaper than decades previously? The idea that people involved in housing are some how uniquely greedy has a long history and it's just wrong. People who own housing - homeowners & landowners - are able to be more greedy than others because they are part of a cartel. The debate over housing reform & housing supply is about whether or not enforcing that cartel should be a government function.