Why? He didn't kill anyone in the end. It's doubtful that sentences longer than some minimal amount actually contribute to deterrence.
He committed these crimes because he thought he wouldn't get any sentence - which is true because online fraud and mischief has been effectively decriminalized aside from a few edge-cases like this one. You'll notice he didn't even try to be sneaky about it after all.
What's needed is merely to bring back actual enforcement to make it clear that online crime does not pay and would-be criminals will not get away with it. That will be the deterrent.
