Max Verstappen was penalized for his crash with George Russell in the Spanish GP, but why wasn't he disqualified?

Max Verstappen arrived at the Canadian Grand Prix a single point away from a one-race suspension following his collision with George Russell at the Spanish Grand Prix.

Formula 1 has gone into meltdown after Max Verstappen escaped with just a 10-second penalty for ramming into bitter rival George Russell during the Spanish Grand Prix.