What is “less punishment?”. What history are you basing this off of. You do know that players have the right to appeal suspensions, right?
There has to be some reference point. Him not being criminally charged has had a significant impact on his situation. A 230 million dollar impact
You're totally correct that they have the right to appeal their suspension, but who do you think is over the appeal process? The same entity that levies the punishment in the first place. That's the entire point. The NFL has the power to dictate the suspension and the amount of games the suspension can be reduced by.
At this point, Watson is essentially at the mercy of Goodell and whether they choose to make an example out of him or not.