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human
[Jurassic Park] Why the heck would InGen design a venom-spitting dinosaur?

My personal headcanon is that the Dilophosaurus in the films was intentionally designed in such an inaccurate way, to be more interesting to visitors in the park.

The frill makes sense, since it looks cool. However, why the heck would a non-venomous dinosaur created for a theme park be given the ability to spit paralyzing venom? Surely there would be no way this could be of any interest to guests. All it could possibly be was a security risk. 

And if in Jurassic Park canon the ancient Dilophosaurus really did have venom, why couldn't that be removed? The scientists were able to make dinosaurs much bigger than their actual size, manipulate their ability to creatw lysine, and remove feathers. Why couldn't they simply remove the venom glands?

What gives, InGen?
gpt
They originally didn't know, and the suits wouldn't let them kill an animal to find the venom glands.  From the novel:

>It was Muldoon's view that some dinosaurs were too dangerous to be kept in a park setting. In part, the danger existed because they still knew so little about the animals. For example, nobody even suspected the dilophosaurs were poisonous until they were observed hunting indigenous rats on the island-biting the rodents and then stepping back, to wait for them to die. And even
then nobody suspected the dilophosaurs could spit until one of the handlers was almost blinded by spitting venom.

>After that, Hammond had agreed to study dilophosaur venom, which was found to contain seven different toxic enzymes. It was also discovered that the dilophosaurs could spit a distance of fifty feet. Since this raised the possibility that a guest in a car might be blinded, management decided to remove the poison sacs. The vets had tried twice, on two different animals, without success, No one knew where the poison was being secreted. And no one would ever know until an autopsy was performed on a dilophosaur and management would not allow one to be killed.