You seem to want a Godzilla movie to be about something other than what the character was designed for. It's supposed to be an allegory for man's relationship with nature, that relationship is the key theme, not Godzilla himself. I can sympathize with people who wanted more of him in the movie, I did too, but that wasn't the point and I don't think it makes it a bad movie, although it may make it unenjoyable for some people.
"Some humor and more Godzilla" could have detracted from its faithfulness to the central themes and ideas the original movie was trying to communicate. It delivers commentary on very serious issues, it would be disingenuous for them to add humor into it to satisfy audiences.
I'm really glad that movies like Godzilla are still being made, the current cinematic landscape really seems to be catering just to spoon-feeding people instant gratification sensory overload designed to assault your eyes for 90 minutes.