If you really want to understand Kong, his surroundings, and the Hollow Earth in general, Dr. Brooks is the most important person in the MonsterVerse, as he possesses extensive knowledge pertaining to all of the above.
Should this be true, there should be greater thought given to the prominent inclusion of Dr. Houston Brooks, a leading figure in the Monarch community who has proven his worth in the organization.
And understanding is what separates those who truly want to coexist with Godzilla and his friends, and those who would wish to control/destroy them; two very important themes that have always been at the bedrock of the Godzilla universe.