[...] violating EU stipulations requiring citizens to report any sponsor contributions over €500.
If the initiative failed to disclose any such funding, that would be bad! However, the complaint argues that the initiative didn't receive any monetary contribution; rather, it claims Scott simply volunteered too much of his own time to promote the movement, which—if you've decided words no longer mean anything—is basically the same thing.
https://en.m.wikipedia.org/wiki/Melinda_Tankard_Reist#Collective_Shout go to "Video Games".