America's govt didn't change their mind they're taking him to court because they say he's guilty. If it's easy like you say he'll be freed but if the case's strong against him he's going to have difficult days with the judge & jury. The case against Tornado Cash's dropped so they should drop it against Roman Storm.
The case against Tornado Cash means
nothing because it's not a company, just a smart contract administered by the two people. So prosecuting Tornado Cash is still prosecuting Roman Storm.
Imagine if governments start this precedent of classifying smart contracts like businesses. This would be really bad for the crypto as a whole and especially the web3 system.