- The old chain is no longer safe
- The last block have 135 days old
- Its impossible to swap old coins with safety
- The circulation supply of the old chain has almost 1b of coins
- The old chain has no market
- No one bought the old coins
- Old chain has a fail launch

The only people who lost money/time were the miners of the old network.
Because they mined and had nowhere to sell the coins

Calling scam is easy, and I understand you, bitcointalk have many scams