"Thiel's support of Hogan is perfectly legal as long as there is no agreement to pay him back or split the "winnings" if wins." Why would that be illegal? (Rea

"Thiel's support of Hogan is perfectly legal as long as there is no agreement to pay him back or split the "winnings" if wins." Why would that be illegal? (Real question, Lawyers do it all the time don't they so I dont see how it breaks any law)