The ironic thing is the Gorn reproduction process here is completely inconsistent with McCoy's brief mention of it in Star Trek Into Darkness which Kurtzman was also involved in.
Well lets be reasonable and rational here. If you had only previously though humans gave natural births and then saw a C-Section you would consider that utterly inconsistent with your previous knowledge. But it doesn't mean its not a real possibility.
MCCoy states,"Sweetheart, I once performed an emergency C-Section on a pregnant Gorn. Octoplets, and let me tell you those little suckers bite."
Clearly there are some things that seem to be in common.
Multiple offspring. Check!
Violent at birth. Check!
Now the differences are we are told by La'an that Gorn use other species for breeding hosts. And lets be very clear her knowledge is in noway shape or form encompassing every aspect of Gorn culture. Its just her personal experience.
Will the Gorn use their own kind as hosts? Prime we don't know, but since they adapt to a host, it seems a least a real possibility.
Now what kills the host? Is it the damage from hosting the Gorn, or their ripping their way out of the host body? I'm leaning on ripping their way out of the host body. So would a C-Section, a non natural birth, make reasonable sense? Hell Yes. If you could deliver them before their natural birth process, then its a strong possibility the host would live.
Now to maintain both societies, I would thank they would look for ways to safely remove Gorn before birth occurs. A C-Section type procedure would seem a good example and one that is easy enough to explain to the viewing public. And for the Gorn (unless they are a far larger power then we have ever been lead to believe) might need to change their behavior to prevent the mass extermination of their race, and that could mean curtailing the use of sentient beings as hosts against their will.
All seems fairly reasonable and logical to me.