The consequence is you violated the law, and they can have you at any time, even retroactively, for that.
That they don't is merely a detail. If it really has "no consequence" they should remove it.
And no, Germany does not allow retroactive criminal punishments. That’s more something that happens in Russia, China and probably soon America
I think it's clear that the interests of citizens and their state typically do not align. Unfortunately, most states have cultivated and propagated a different idea for decades, which is why so many people have a different perception of their state than the reality.
Instead, my 2c, should have changed it to a notice you have to send the military, at most.
> Please don't comment on whether someone read an article. "Did you even read the article? It mentions that" can be shortened to "The article mentions that".