Is that same legal reason preventing him from telling people what happened to the coins also the same reason why he allowed people to deposit to WeExchange for 2 months when he knew that the WeExchange users would not be able to receive their coins back?
We might not have much information but don't change the facts. Deposit of funds were disabled less than a month after the withdrawal problems started.
While we have yet to see proof of of the opposite, you can't just make the statement that "he knew that the users would not receive their coins".
I think it is quite clear that WeExchange has suffered from multiple issues as Ukyo also said. At least the bitcoind issue and some legal issue, which probably started around the 20th of November.