The switch was a call back/ call forward to the B&W flash forward at the start.
Jimmy now – can’t resist disobeying the sign and flickung the switch, consequences be damned
Future Jimmy would rather sit in the bin room all night then risk the consequences of disobeying a sign
Exactly. And Season 1 early Jimmy may not have flicked the switch either. But Slippin’ Jimmy would have.
So he goes from dodgy con man to good’n’righteous lawyer to “what the hell” Saul and by the end of BB, he’s scared of everything.