Chaos is the strategy in so far as the goal is simply to break as many things as possible with the hope that the thing you want to have happen happens, but still take advantage of the way they have broken. Strategic chaos is different than 'randomness'.

They wanted to collapse Russia's economy, and the whole strategy involved doing so. Part of doing that required severing Europe from Russia. However, when that happened and Russia's economy did not collapse, they pretty much immediately pivoted to exploiting European weakness.