It's not about who it directly effects, it's about the potential effect - which is the same regardless of time of day.
So if you parked on the lines at 3pm on a Friday and got fined, but someone doing it at 9 hours later got politely asked to move, would you not be a bit miffed? I would!
So if you parked on the lines at 3pm on a Friday and got fined, but someone doing it at 9 hours later got politely asked to move, would you not be a bit miffed? I would!