While this quote can be applied to both sides, he's talking exclusively about the left here
Why? Because in the full video he's talking about KGB active measures, which is essentially a decades long brain washing process.
These efforts could indeed be used to indoctrinate any population with any ideology, including those from the right.
However over the past 60+ years who has controlled our large institutions and has been pumping young minds full of one perspective?
Public education/universities?
The left
Media (TV/newspapers)
The left
Social media?
The left, until very recently when Elon (formerly of the left) acquired X
Federal bureaucracy and agencies?
The left
So can I ask those on the left once again....
Did Donald Trump call neo Nazis and white nationalists in Charlottesville very fine people?