As a navigationally challenged low time PPL and a former skydiver. I can see both sides of the argument.
However, having once been in freefall when a cretin in a helicopter passed close underneath me I have very little sympathy for morons who cannot read a map.
Skydiving uses a tiny amount of airspace,
just stay the hell away from parachute symbols on your chart.
I have to say that I find the use of insulting terms such as meatbomber and baghopper offensive in what is meant to be a serious safety post.