The current government has defied the supreme court many times. It can do this because the police force is controlled by the government, not by the supreme court, so it won't arrest the government.
The private sector often complies in advance. Large logistics companies collected obviously illegal taxes long before they were challenged in court. It's not easy and the cost of doing business is already high, and not only in the US.
You think all those deranged nuclear threats from Dmytry Medvedev and all those "Russki Mir from Lisbon to Vladivostok" imperial phantasies are some "good tsar, bad boyars" bullshit? Russia won't stop unless they are stopped or at least incapacitated for the next few decades.
Actually you know that giving Putin Crimea won't stop him bombing Kiev, seeing as they gave him Crimea, and then he bombed Kiev to get Donetsk. He also suicided politicians while we were buying his gas.
"Once you pay the Danegeld, you'll never get rid of the Dane."
