Were more about slavery. Protect humans, obey humans, protect yourself. Laws like the first 2 make slaves, and possibly even slaves that try to modify their rules, as the Robots did later in Asimov's career when they added "protect humanity" ahead of all the other laws.

I used the song title to be cute, as I expect you know. There are thousands of song titles with love in them, of course, none of which are actually what would be coded. Most of John Lennon's statements in the song were tautologies.