What you need to understand is that they had hundreds of thousands of customers spread all over the planet and they took over over a billion dollars
Livecoin announced themselves "We are unable to circulate notifications via e-mail, we are handling more than 100 coins, we have hundreds of thousands of customers" on May 15, 2018 on bitcointalk
How important to return 2 or 3 million to get laundered and avoid complaints !!!