Some people have. Here are some of the worst. Photos supplied by @ParkingInSheff.
9. 4. Totley s17.JPG
Inconsiderate on street parking in Totley Photo: JPI
10. 14. ecclesall road.JPG
Spreading out near Ecclesall Road. Photo: JPI
11. 23. vincent road.JPG
Squeezing in on Vincent Road Photo: JPI
12. 8. st james retail park.JPG
Parking at St James' Retail Park Photo: JPI