This is like still asking why any competent organization still installs adobe acrobat reader by default on like every pc, and has to subsequently patch it every

This is like still asking why any competent organization still installs adobe acrobat reader by default on like every pc, and has to subsequently patch it every 2 weeks when it has exploits found still after ~25 years. Flash just finally died, and even then organizations turn to pirate builds to support ancient enterprise shitware still in use today.