By the way the Careys' case was reported in The Times, so it should be available on its web archive.(posted 8547 days ago)This HRP site does express concerns about Peter Walker's views on MIGs, and stresses that *if* his views are right (and they may not be) that they will only be right for MIGs drafted before 1993. When I bought my MIG (pre-1993) there was certainly no suggestion of any risk that I would not be the beneficiary of the policy.
Some people do have written evidence that they were misled. There's a letter from a lender to a person taking out a mortgage written in 1991, which is posted on this HRP. (Under 'Repossession' I think.) Have you read it? Again, the lender is not coming clean about who's actually shouldering the risk.
I bet a lot more people had letters like this but binned them because they never expected to be pursued by the lender or the insurer up to 12 years after the repossession.