It's the government trying to enforce their opinion of who should own those Bitcoins, thereby taking power away from the owner that the network has decided on, which would be "whoever has the cryptographic keys".
In reality, crypto's true purpose is a moving target, so it can never be criticized because that's not what crypto is really about.
Guns = good
Cryptocurrency = bad
Opinions I agree with = good
Opinions I disagree with = bad
Me getting mine = good
Someone else getting theirs = bad
Censorship is the battleground issue for the 2020's.
^Apologies for the lumping of 300 million people into a single sentence description, it's for the sake of trying to make a point of the entanglement of "the US" and "freedom" - which isn't a bad thing.