Yes, they could easily spin up another gmail address.
The other part of the scam involved sending money to a bank account in Oregon with someone else's name attached to it. I notified the bank in a similar manner and hope they shut it down (not confirmed; my next step is to notify the Oregon banking regulator about the incident).
The hope is that once the bank account and gmail account are shut down the scammer will stop or move on. But I am concerned this could be a whack-a-mole problem that doesn't go away.