Why would you invest in that NFT if you know that they already have a history of scamming people which is probably the most stupid thing to do. Good thing that the people will finally see some justice in this scam that rocked the crypto world, will the reparations be equal to the bitcoin they earn or what's the value that they have from it converted to what it's value is currently?
Well, the NFT is claimable for free for every users who had an account on the exchange back then. I think it's unlikely something coming from them is going to become valuable due to the company's history, but since it's for free, there isn't any cons in acquiring that.
About the reparations, it's impossible for them to return the same amount of bitcoins investors had when the scam happened. People will receive an amount of btc proportional to the value of their accounts in dollar on that time, plus some extra profit. It's not going to be a total loss, but not fully profitable as it could be by holding bitcoin since that time till now.