The wallet software was distributed through i2p and Google Playstore etc. 4 million in 10 years is chump change: a bad year for Hunter B. or a few hours for a casino. This is Red Hairing selective enforcement. They could have sent them to jail for jaywalking. A shame!
I got more info on the MIT Mexi-cans Etherum and it was an internal fight brewing for 4 years. They should give them the PhD (prove here dummy) and a bug bounty but the "victims" are well connected.