I don't want people to pirate my software, but I'd rather file sharers and individuals get away free than have a felony on their record or go to prison. Civil penalties are a good idea, possibly light criminal penalties, not a felony though, much less prison time.
Commercial piracy is a different matter, and I don't have a thoroughly-considered opinion on what the punishment for it should be.
The truly disturbing thing is that the felony charge can destroy peoples lives, and destroy peoples attempts to even run a normal life.
I couldn't work my job with most felony charges, because I'm in construction and I work on other people's property my employer can't have me on payroll unless I'm bondable. If I have a criminal conviction my job is in danger, but if it's for theft I'm gone and I'm either forced to work under the radar or find a new job.
Commercial piracy is a different matter, and I don't have a thoroughly-considered opinion on what the punishment for it should be.