The full scope of my hatred for the Liechtensteiniacs would take too long.
But, since they are a country of 30,000 that prospers solely from hiding taxes of the rich of other countries (mostly Germany) essentially they are 30,000 criminals. Ok a few make hand-tools so they might be spared.
They are run by a monarch names “Prince von und zu Liechtenstein”. That is really is name. For that reason alone he should suffer a slow death. Perhaps it is hard to understand how ludicrous this name is without understanding German, but trust me.
So we have a tiny nation of 30,000 criminals run by a ludicrous and tyrannical monarch in the heart of Europe. What more reason do we need? If you need a final reason here it is - They have a Germanic name for their country BUT THEY SPEAK FRENCH!
Besides, the country is so small it would only take 2 bombs.
Those are all very valid reasons (especially the speaking french one) but there are plenty of other little nations around that make their living primarily by manipulating other nations citizens accounts, including for example, Gibraltar, Bermuda, the channel islands, Andorra, and even Monaco.
I think it is very unfair of you to single out only lichtenstein to be bombed. Try raising this issue over at DU - I feel sure they would insist, (in the interests of fairness and equality), that these other countries get bombed as well.