The article talks about "constitutional rights": hence the US constitution link. You may not be in the US: in which case, you're right, you shouldn't care.
The usual counter example to statements of the form "You are not free to do something if you are threatened with jail-time or murder or getting beaten or ... ." is "if you yell fire in a crowded theater, expect to get in trouble". You're free to yell, but there WILL be consequences.
The usual counter example to statements of the form "You are not free to do something if you are threatened with jail-time or murder or getting beaten or ... ." is "if you yell fire in a crowded theater, expect to get in trouble". You're free to yell, but there WILL be consequences.