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

Spanish Grand Prix delivered an exciting blend of action and drama which resulted in McLaren once again grabbing

As noted by Mario Isola, Pirelli’s Director of Motorsport, the circuit is a “severe test for car and tire performance,” and it is a race that puts “significant stress” on the tires. As such Pirelli brings the hardest compounds in their range to this circuit — the C1 as the hard, the C2 as the medium, and the C3 as the soft.