Can you, though? Can you lick a gas? Am I licking the atmosphere when I stick my tongue out?
Plenty of them are also so rare that there isn’t enough of them to form any lickable matter; solid, liquid or gaseous.
Some have such an incredibly short half-life, you cannot lick it before it decays into something else.
Enough for what? Your sense of vengeance? I don’t know, only you can tell… Enough for rehabilitation? I don’t know, but it is possible. Time needed for rehabilitation varies widely. It’s quite possible the year was enough. One thing we do know is that the Netherlands is heavily in favour of rehabilitation over punishment, since rehabilitation actually forwards society