if we are sure that there are no vulnerabilities in the system, then we can connect to the internet.
Those who lost the coin also said at first "we were sure that there was nothing on our device".
I would like to drop a thread
I thought I would never get hacked... which clearly explains why we should not assume "my device is
invulnerable to hacks and other potential risks" and that is the whole point of having cold storage as well.