You are understimating the danger of Russia's actions in Europe. Even France which is a beneficiary of Russian arms buy in Europe has already sounded that sanctions could be on the table for Europe should Russia not budge in Crimea.
Business comes first, that's all.
Sanctions On Russia: Why The Europeans May Say Nyet : Parallels : NPR
"Russia's seizure of Ukraine's Crimean Peninsula brought with it threats of U.S. sanctions, but Europe, while condemning President Vladimir Putin's actions, has been more circumspect. Part of the reason: Europe's dependence on Russian money and energy.
"It is a matter of simple economics," Alex Melikishvili, senior Europe/CIS Analyst at IHS Country Risk, said in an email.
He noted that the EU is Russia's main trade partner; bilateral trade is in hundreds of billion of dollars annually, in contrast with much lower U.S.-Russia trade (see chart)."
"The European Union condemned Russia's actions but took just one step – suspending Russia's participation in the G8 summit in Sochi in June. If Russia doesn't reverse course in Ukraine, the EU said, it could suspend talks on a visa program that would make it easier for Russians to visit European countries.
But individual states are reluctant: are heavily exposed to the Russian market. that a proposal for an arms embargo was scrapped because of objections from France, which has lucrative defense deals with Russia.
And one Italian official told the magazine: "What sanctions can you place on a country that can cut off your gas?""