It's not about money at this point- it's about control. Once you utterly control a supply chain then you can extort money from your customers. So forget the money motive now- the aim is to lock everything down to officially sanctioned goods only.
I'd also like to add that I am a British recording artist and no unelected industry watchdog has asked me how I'd like them to behave on my behalf.
The irony of this is that there was obviously no theft. The case was based around 11 notes in sequence, and any musician can discern that one phrase is in a major key and the other in a minor key. The sequence if notes is not the same. As to whether it is similar, then let's talk about the three chord trick that the majority of pop music since the early 50s is based around.