The BKB Rework (Debuff Immunity vs Magic Immunity): Was changing Black King Bar a necessary shift for game health, or did it ruin Dota's core identity?

Options

• Necessary evolution—old magic immunity rendered half the hero pool useless late game.
• Bad change—it broke the fundamental rock-paper-scissors dynamic of spellcasters vs carries.
• Good concept, but Debuff Immunity tooltip and spell interactions are now overly bloated.