The CIA's Remote Devices Branch's UMBRAGE group collects and maintains a substantial library of attack techniques 'stolen' from malware produced in other states including the Russian Federation. With UMBRAGE and related projects the CIA cannot only increase its total number of attack types but also misdirect attribution by leaving behind the "fingerprints" of the groups that the attack techniques were stolen from. Th…
In reality they allegedly hacked computers of people related to a single party and brought to light the illicit activities that party was doing.
tl;dr Saying Russia hacked the election is the same as saying that some kid hacked the FBI when all he did was deface their website. It implies a level of sophistication that did not happen.