Interesting POV, except that Putin's Russia is fighting AGAINST ISIS in Syria, whereas the USA has allied WITH ISIS - and with Al Qaeda.
"Al Qaeda is on our side in Syria" - that is what Jake Sullvan wrote in an email to Hillary Clinton in 2012. Since then, the US has set up a terrorist stronghold in Idlib, used by AQ as well as ISIS for R&R or simply refuge when needed.
This is, after all, what the CIA base at Benghazi was all about -- funneling off-the-books weapons captured from Ghadaffi's caches to sectarian death squads (aka "rebels") in Syria.