>>150865954
Cyborg is more well-known and well-liked than Mr. Terrific. Even if he's a better fit putting a D-lister on your flagship team isn't a good marketing strategy.
>>150867911
>But if you had a choice, any choice, they should have reworked Steel.
You have already Superman. Having one of his supporting cast a member of the JL as well is a bad idea, especially considering he isn't as popular or marketable as other characters associated with Superman.