It's hard to know at this stage whether he made a poor decision.
He could've spent 4 months on a dysfunctional NaVi lineup before being kicked and blamed for all of their problems. His career would then either be over or he'd have to work his way back up on a team like Winstrike.
Virtus Pro seem to be investing in the CIS region long-term. If results don't come in the first half of 2020, they will bring in new players and build the team around Qikert + Jame.