How is this not a bill of attainder? https://constitution.congress.gov/browse/essay/artI-S9-C3-1/ALDE_00013186/ https://constitution.congress.gov/browse/essay/

How is this not a bill of attainder? https://constitution.congress.gov/browse/essay/artI-S9-C3-1/ALDE_00013186/ https://constitution.congress.gov/browse/essay/artI-S9-C3-1/...