Because they do not give a rat's a** about anyone else or anything else but themselves. What they want what they like what they are willing to do to protect others. NOTHING that's what. Zero. Zilch. Nada.
Selfish selfish selfish. Refuse to do anything that will be of benefit to others NOT THEIR ILK. THEIR ILK feel the exact same way. Selfish to a fault.
The hallmark and legacy of the FOOTOO. Long may it wave. Sheesh.
What's the big deal? There are millions of them INFECTING hundreds of millions of not them. And so it goes. No big deal. To each his own. Go for it. You have no obligation to think or do for others. Just you. Yourself. The center of everything 24/7. Good luck to you.