It's politics, I don't know what you'd expect from a public speech.
But anyway if you want to see the real masterpiece of political lies, you might wanna read Jen Psaki quotes.
Actually the reasons behind that are mostly economical, I think, energy sector sanctions would be very painful for Russian economy, so Russia is holding its horses, for now.
Russia was not in a position to do anything about it, that time Russia was a broke state with no power to make any big political decisions.