While she did have a career, mostly in the 1950s and early 1960s, she was one of the first people famous for being famous. I am old enough to remember her making the talk show circuit, especially Merv Griffin. Always had the opinion she was in on the joke.
The way I understand it, Boll is a real life version of The Producers, except he gets away with it in the end. Apparently, in Germany, you can make ultra-shitty movies and get some sort of tax break over there. http://tvtropes.org/pmwiki/pmwiki.