@Thomas Chapin the vast majority of licensed real estate agents do not have an investor mindset. I think that may be part of the problem. They consider themselves to be salespersons, just like a used car salesman, and with only slightly more training. That being said, the vast majority of agents that homeowners come into contact with only know one way to deal with a property. I don't know that wholesalers really fill a useful gap. I think that they probably just convince a seller that their way is best, just like an agent would try to do. Some people buy Fords, some buy Chevy, but they all get you where you need to go.
My issue with wholesaling is that, as low as the barriers are to entry to being a licensed agent, there is at least SOMETHING. There are zero barriers to entry for being a wholesaler. And the lower the barriers to entry, the less informed and educated the people will be. I am also an attorney. The barriers to entry for being an attorney are quite high (undergraduate degree, LSAT entrance exam, admission to law school, successful completion of law school, pass the bar exam, undergo fitness of character investigation). Real estate agents are practicing law within strict guidelines, so they need to be competent in those areas. Most are not as competent as I think they should be, but at least they have some relevant training and have passed exams and are under the supervision of a principal broker. And as I've mentioned above, the benefits of wholesaling to the seller can still exist (and even surpass) by using a licensed agent to help sell.
I'm not talking about value added. I do my own version of "wholesaling", but I actually close on the property, then list it for sale in the MLS. I often don't do anything more than change the locks. I might get trash cleaned out or have the yard mowed, but that's about it. So I have no problem with turning properties quickly without really doing anything to them. But I actually solve the problem by buying the house, not just pretending that I'm going to solve the problem by getting a property under contract then trying to find a real investor with actual money and hoping they will solve the problem. That setup is what leads to causing actual damage to sellers, when wholesalers tie up properties and don't deliver. The seller often ends up in a worse position than they were before. I see it a lot when I buy foreclosed properties. I come across unscrupulous wholesalers who have talked an unsophisticated homeowner into deeding the property to them for no real benefit to the homeowner. The wholesaler fails to deliver, then the house gets foreclosed on anyway. Similar situations happen with contracts which tie up the property and prevent the homeowner from seeking additional methods of selling.
Add all that up and combine it with the fact that it's super easy to just get a RE license, allowing that person to have better access to real estate sales data and to legally accept commissions for helping people sell, and I just don't get why people even bother wholesaling.