What makes you think I support those people being locked up either? Also, afaik Ulbricht didn't sell drugs himself, he simply provided an unmoderated marketplace.
If the law is unethical then you may be pushed to do "bad" things. For example if you are a Jew living with family in a Nazi Germany and someone know your secret and he feels he need to disclose it to the authorities then you may consider... murdering him. Would you really be a bad guy?