Final answer:
Not all individuals experience the diarrhea associated with dumping syndrome following gastric surgery as it varies with several factors, making the statement false.
Step-by-step explanation:
The statement "All people experience the diarrhea of dumping syndrome following gastric surgery." is false. Dumping syndrome, which includes symptoms like diarrhea, is a common complication following gastric surgery, but it does not occur in all individuals. The incidence and severity of dumping syndrome can depend on factors like surgical technique, individual patient characteristics, and dietary habits after surgery.