David Weintraub is a long-term friend of the 'Keeping Up with the Kardashians' star, but has branded him as a "d**k" who often ruined the deals brought to him by David because he "wanted too much money".
He said: "He always felt like he was entitled, but like you've really got to have talent. When you're lucky to be famous, and you're lucky to make money, it's different.
"I brought him tons and tons of deals that he f****d up, f****d up my relationships with people because either he didn't perform, or he wanted too much money, or he was a d**k, or he did a deal and then f****d it off, and everybody has egg on their face."
And the 38-year-old reality producer says that whilst he "loves Scott to death", he wishes the 33-year-old entrepreneur would "remember who he is".
He added: "He actually thinks he's some big superstar who has talent and does stuff.
"When you get a lot of fame for not really doing anything, or you get a lot of money for not really doing anything, you have to remember how you got there. Don't change as a person. "I love Scott to death, but fame and money changed who he is.
He's got to remember who he is and where he comes from." The former 'Sons of Hollywood' star also branded Scott - who has three children Mason, seven, Penelope, four, and Reign, two, with former partner Kourtney Kardashian - as a "couch surfer".
David said during his appearance on the 'Allegedly' podcast: "Where he comes from is me and Sean Stewart's couch. "It's all good that you won, but recognise where you came from, cause you're sti