yes when i drop lots of cash in a crowded public space i can rely on courts to get all of my money back /s
Send crypto to the wrong address? Oopsie.
The fact is that in many, perhaps most cases of theft the Government isn't able to do much more than punish someone they think did the crime, maybe they can recover the assets, just as often those assets are evidence and you don't get them back for years.
The crypto equivalent appears to be chainalysis and similar products.