I don't believe it's about price suppression, it's about ownership of the underlying Bitcoin when this system inevitably collapses in default. They will do their utmost to convince people to use their product. Then steal people's paper balances & the underlying. I'd argue they need to manipulate the price higher and cause one last bull run to convince everyone to do that.
There is no legal claim to ANY security anymore.
I'd recommend this short book if you want to learn more about that - #259510