The bottom line is that it doesn't matter what happened after Dodd Frank because it did happen. The legislators and Five of the Largest Money Center Banks got together and carved out how the mortgage system's would operate.
Much like a ending of a major war the powers to be carved up and isolated the players that would no longer have control.
The Mortgage Brokers were isolated from the appraisers and the Big five all owned and operated their own AMC Subsidiaries and agreed to spin off controlling ownership or sell off to private investors.
That was completed over a year or two and then it was decided to allow direct lenders mortgage Bankers not brokers engage and manage their own fee panels if they assured better QC and guidelines.
All the major lenders mostly and slowly moved over to only having small inside appraisal divisions , while out sourcing most to their formerly owned AMCs.
That sums it up nicely, and I no longer have to spend time countering tech caused it or that appraisers caused it back in the day by hiring too many trainees. Both of those are minor contributors.
It was a big money and a fast, hard power grab post HVCC, and though individual appraisers could have done a better job of not caving, appraisers are low-resource people vs billion-dollar $ major corporation-backed major power players. It was why the naive calls for a union never went anywhere.
The overlooked thing is that though appraisals as a product can be replaced by alternate forms of valuation, the
role of the appraiser can not be replaced - so they had to kill it. I mean, an occasional "deal killed" is to be avoided at all costs and is seen as "friction. " -
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The role of the appraiser was a brake to the runaway greed train for years - the hits kept coming until now the role of the appraiser is so damaged, it can barely function. That is why, apart from interest rates, prices exploded and more properties are sold to LLC corporations and investors instead of to owner-occupant buyers. When the profiteers run the show top to bottom - owning the data, controlling the lending end, the sales end, and now the valuation end, the owner-occupant buyer stands little chance- they and are being pushed to the margins just as the appraisers were.