Now from the other side of the fence.....
Imagine driving a delivery truck, you have it stacked to the brim so full that you had to leave stuff behind, their are only a certain amount of hours in the day to get your work done and you have to be at certain places at certain times to pick stuff up whilst also delivering a few hundred other items along the way. You approach a "loading zone" clearly marked by both signs and painted white lines on the road (and also A-Frame signs) so that you can offload 20 tv's or a dozen drum and guitar sets weighing a few tonne.
Now some old bitch in her X5 decides that she needs to go do her banking, then grab a coffee and a newspaper and that loading zone is empty and has easy access to everything so that is where they park for 30mins instead of 200m around the corner in a parking lot and walking it.
Don't cry when a delivery truck parks so close to your front/rear bumper that you cant get out of that parking spot for an hour because it's probably me and I aint moving my truck until im finished. I've done this to many fools in my area and just as they are about to start abusing me they realise they are in the wrong and I just look at them and smile.
On a lighter note, earlier in the year I seen an old bloke in his Nissan Patrol trying to squeeze into a parking spot (he was about 1m too long for the spot) so he decided to rest his bullbar up against the spare tyre on the back of the Nissan Patrol infront of him squeezing the tyre in, the funny thing was it was a police Nissan Patrol