Why do investors want to work w/Wholesalers vs Realtors?

[R. Elle Berry]

I’m very curious why investors prefer to work with wholesalers vs brokers/real estate agents. Especially if the wholesaler work with agents and have to split commission cost plus pay the wholesaler. Right now many deals are falling through the cracks because everyone has to be paid, but if you eliminate the middle man (wholesaler) the investor will receive a great property at the right cost and the seller(s) pay all commissions. Please make sense of this! And yes I am an Ohio Realtor.