I don't know where you are Renesteinke but I live in NJ and telco and cableco are usually pretty good there with thier installs here, but I work in NYC and it is a whole different world here. From demarcation blocks hanging off of walls, grounding wires ran to the front of an electrical panel and wrapped counterclockwise around one of the panel cover screws.
I can go on and on with some of the things I have seen in the city, A lot of things are just done under the mentality of "Hustle, Hustle !!! Just get it working!!! "
Which I am not a fan of at all.
I don't want to offend any of the people that know their stuff, but there are a lot that don't have a clue.