Can I sprinkle my foot fungus all over the locker room?
That sounds gross. What do you mean you want to sprinkle foot fungus over the locker room?
You know locker rooms where lots of people shower.
It sounds like you want to spread your foot fungus and that is immoral to do. You are spreading a disease to others and could make them very sick.
What's the big deal? Pure science is about self-experimentation and I can learn from this.
All you will learn is that spreading a contagious disease will give people the disease. If people found out that you were doing it on purpose, you could be banned from the locker room or the gym.