People aren't entering a new jail, it is the same jail as they were in before with a new name.
The goal of CBDCs is to eliminate cash and have everything electronic, and therefore have everything 100% traceable and 100% censorable. This is definitely worse than the current system, where you can at least escape some surveillance and retain some control by using cash.
I hate both, but I admit I use card payments a lot. Some entity is behind the transaction anyway, so...