The people behind SNW have given interviews where they’ve indicated they’re not concerned about canon when it comes to the Gorn and they’ve spelled out their intentions with the Gorn, which are the exact opposite of what TOS was going for story wise when they used them.
Akiva Goldsman gave an interview just a few weeks ago where he was asked about the Gorn in
Strange New Worlds and the problems of lining up what they've done in
Strange New Worlds with TOS's "Arena," and he gives an answer that indicates his interpretation is the exact opposite of what Gene Coon intended with "Arena."
TREKMOVIE: So the question is: why the Gorn who have some tricky canon issues instead of using the opportunity to create your own whole new villain species?
AKIVA GOLDSMAN: Because for me, storytelling beats canon. And that may not be popular, but it’s the truth. So when they can go hand-in-hand, great. But when I was writing the pilot, I was looking for something that was just monstrous, that was Cthulhu-like. Something that was unthinking. Our shows are empathy generators and I wanted to have an element which was in relief of that. I wanted something that you couldn’t identify with, something that was utterly alien, something that was all appetite and instinct in ways that we couldn’t quite understand. And I also wanted to signal place and time in a way that personally I found interesting. So you should definitely blame me for this one.
Goldsman totally misses the point of what the Gorn are in TOS, since “Arena” is built around Kirk being able to find empathy for a giant lizard that just murdered a bunch of colonists.
Part of the twist of “Arena” is realizing the whole mess is a misunderstanding. The Gorn aren’t “unthinking.” They are not Cthulhu, or monsters, or savages, or animals or facehuggers on LV-426. They’re people making bad choices in a misunderstanding over defending their home. Gene Coon also wrote “The Devil in the Dark,” and “Arena” shares a similar theme. Instead of not being able to identify with the Gorn, the entire episode hinges around a future where humanity is able to find empathy for something alien in order to recognize that maybe the entire situation is a big mistake.
You guys call it a blank slate, but the showrunner is telling you the entire approach to the Gorn as characters is different than what they were intended to be in TOS. And beyond that, he doesn’t have an answer for why it had to be the Gorn and couldn’t have applied this to a new alien species created for
Strange New Worlds.