In this case, I'm referring to the notion that we all make minor sacrifices in our daily interactions in service of a "greater good" for everyone.
"Following the rules" would be a simplified version of what I'm talking about, I suppose. But also keeping an awareness/attitude about "How will my choices affect the people around me in this moment? "Common courtesy", "situational awareness", etc...
I don't know that it's a "new" phenomenon by any means, I just seem to have an increasing (subjective) awareness of it's decline of late.
Yes, driving, parking--all manner of auto-related behavior are prime examples of this. But I would add that pedestrians are not faultless. Can't count the number of times I've had to wait for a young, healthy pedestrian just taking. their. time. in the crosswalk while a bunch of us are waiting to complete a turn, for example. I always double-time it in a crosswalk--it's not only courteous--it diminishes the likelihood of me getting run down by someone looking at their phone while they're driving.