Richard Nixon vetoed the bill that would have expanded it out to all families. [1]
Funny how we keep forgetting the past and reject what benefited us as a whole with a moved to pure individualism built around selfishness. AKA The rich keep getting richer.
[0] https://www.wwiimemorialfriends.org/blog/the-lanham-act-and-...
[1] https://en.wikipedia.org/wiki/Comprehensive_Child_Developmen...
Otherwise, any welfare program will just get some of its value captured by landlords.