Is there any doubt at this point that QuadrigaCX was simply a scam? I feel terrible for all those whose financial futures were turned upside down in this fiasc

Is there any doubt at this point that QuadrigaCX was simply a scam? I feel terrible for all those whose financial futures were turned upside down in this fiasco. It's one thing to accept the risk of the volatility in the cryptocurrency markets, but to have that money disappear into the void is another thing entirely...