1. steam does not have a monopoly on distribution rights for PC games. if steam were to go bankrupt publishers could honor your keys and even other marketplaces could do it. steam themselves let you bring your own key.
2. steam has been a benevolent marketplace leader, even though DRM itself plays against customers, the rest of the stuff they pushed while leading, like game sharing, play and refund, offline playing, are pro consumer.
3. why would your knee jerk reaction to this is pointing a finger to steam, what's your endgame?