You read it right, there are laws against this sort of thing arent there?
The game plays .wav files when your in certain buildings that could be considered subliminul. The messages vary in what they say but a fair few are money orientated
"You look great! Try our clothing color system" - which'll cost you.
"You have the gift! Be the best miner" - by constantly purchasing a flow of bombs and equipment repairs from us.
I'll leave you with my all time favorite
"Your dreams have no limit! Build something great"