Lots of open source software activists are idealists. This is why I asked if there's evidence they were actually receiving illicit funds.
So, if he had an epiphany that criminals were using the system and the feature requests he was getting an naively implementing were benefiting criminals, why not block those accounts rather than implementing a "keep my stuff separate from the criminals the system knows about" switch?
The whole point of a trial is to establish guilt, and part of guilt is mens rea. Well, at least I assume that's true in the Netherlands, please correct if I'm wrong.
An idealist who just happens to believe that firing guns into the air is the most noble expression of freedom is still going to be liable for bad outcomes. You can argue murder versus negligence, but there is no "maybe he just wanted to see a bunch of lead in the air" argument for actual innocence.