It's more than just profit. We need to move goods around. We use airplanes, trains, and trucks. All of those vehicles have imperfect safety. We accept that because we need a functioning economy.
My uncle worked for one of the large railroads for 32 years. He retired last year, along with every eligible employee in his division. The workplace injury rates in that division had climbed to the point that it didn’t make sense to do the job and risk death or serious injury.