I have a mate in this exact situation.
Was told a couple of years ago his endowment policies were going to leave him 150k short or something.
Basically now hes having to find an extra grand a month to keep the house at the end of it all.
I had an endowment mortgage, which was sold to me as the best thing ever, blah blah. Not true, but I didn't claim it was mis-sold because the financial advisor did mention it might not mount up to the amount required to pay off the loan at the end of the term.
Very briefly and as something that was extremely unlikely to happen, but they did mention it.
Besides, I knew what I was buying because it was explained. Very clearly. In writing. It was part of the contract I signed. The assumptions made in preparing the projections were provided. The assumptions turned out to be completely wrong, but I don't think I was deliberately fed false information. I think they just made incorrect assumptions about what was going to happen.
The mortgage company also wrote to me when it became clear that the assumptions were utterly untrue to warn me. I had to sell the endowment policies for less than I had already paid in and switch to a repayment mortgage. I had ~16 years warning and had carefully
not over-extended myself on the mortgage, so it could have been much worse.
They didn't just hand these mortgages out and say "No worries mate, you'll never have to pay it back".
Back to the person in this case...
A quick poke at an online calculator for £182K over 10 years at 4.29% gives £650.65 for interest only and £1897 for repayment.
So she's been saving £1246.35 per month for the last 10 years. That's £149,562. So even ignoring the issue of equity entirely, she's £32,438 worse off than she would have been if she had repaid the mortgage. That's a relatively small amount considering a property of that value. Even if the mortgage company had lied to her (and I'm sure they didn't), she's only out by £32K and that wouldn't cover the £182K she borrowed anyway.
EDIT: Also, how much is her endowment policy worth? It won't be £182K, but it will be something. So she'll have that too. Unless she was spectacularly thoughtless and didn't bother getting one, but surely nobody who's legally competent to enter into a contract would do that.