It's more than obvious that he does not care about those few cents.
The problem here is that Bittrex threatened to charge 20 USD per month if users don't withdraw their assets. If the amount is too low, it's impossible to withdraw, but they will still charge you 20 USD per month for not withdrawing. They also admit that they know it's impossible for us to withdraw and avoid the fee:
His concern is now clear, but how are they going to charge the 20 USD from him per month if the assets in there are just $0.5?

It's not like they will be withdrawing money from his bank without his approval, hehehe. I would understand if he had BTC in the account worth let say $1,000 which they would keep deducting per month.