If you want to understand why an industry drags its feet on a better tool, do not listen to what it says about the tool. Look at how it bills.
The traditional diligence firm sells one thing, and it is not insight. It is hours. The report is the product on the invoice, but the hours are the product in the business model. A partner, a manager, and a deep bench of associates, all metered. Anything that removes hours removes revenue. And AI removes hours by the hundred.
So watch what happens next. It is human, and it is predictable.
The script
You will hear that AI is risky. That diligence requires human judgment. That clients want the rigor of a real team on the file. Each of these holds a grain of truth, which is exactly what makes them useful as cover. Judgment is required. That is not an argument against letting a machine do the reading. It is an argument for keeping the humans on the part that was always the point.
It is hard to get a person to embrace a tool when their bonus depends on not embracing it. Turkeys have never been enthusiastic about the calendar.
The pyramid problem
The economics run deeper than reluctance. The big-firm model is a pyramid: leverage a partner's name across a wide base of junior hours, and bill the spread. AI collapses the base. A tool that does in an hour what a floor of associates did in a week does not trim a line item. It threatens the shape of the entire business. And people defend the shape of their business with remarkable creativity.
What it costs you
Two things. First, you pay for hours a machine could have done, at rates set for a world that is ending. Second, and worse, you inherit the blind spots of a method that never read everything in the first place, sold to you as thoroughness. You are paying a premium for the sample.
When a firm calls AI a risk rather than a tool, the risk it is describing is usually to itself.
Where this goes
The legacy firms will adopt AI. Quietly, internally, on their own clock. The tell will be that the hours on your invoice fall while the rate does not, and the savings stay on their side of the table. The honest early movers do the opposite. They use the tool in the open and pass the math to the client, because that is the only version of this that wins business once buyers understand the difference.
The question was never whether AI belongs in diligence. It is whether your provider's incentives let them use it for you instead of against you. Ours do. We built the firm that way on purpose.