In theory you can make any sci fi show about future humans and a couple other species going to war. Should be straightforward.
But getting the balance of that universe right in terms of little details is tricky: Halo has done the heavy lifting already.
Are they? I thought after the pro league failed it's transition to SC2 and the GSL ended that it mostly went to streaming platforms.
Same old story, right?
But getting the balance of technologies, motivations (e.g. jihad-dynamics), and nitty-gritty details (e.g. the splinter factions) right is the trick: it's much easier to do wrong than to do right.