Edelbrock casting SB/BB Chevy blocks

There's a market alone ,in circle track Pishta.
How big? The tooling to cast the SB must have been huge for a tiny market such as circle track. Now the BB I can understand as that was/is still a market for those guys but I got 3 Chevy and 1 GM friends and they all went to LSx engines years ago. None were restorers. Perhaps the tooling can do AL also, now that would make more sense to me. Yes, I know Vic has passed. Well, this is a big nothing burger for me anyway.