It was definitely popped from a ruin. The worker appeared next to the hex where the ruin was. The ruin message was even something like '...wandering tribe...decide to join your civ as a worker".
Hmm, well my settler appeared next to my capitol and not near a ruin. Maybe settlers just work differently for some reason? But why? ok, "lost my mind" is now the leading theory.



cost goes up with number of cities. OUCH!
now, rather than 2.