It does sound a bit strange, but I would wonder if it partly refers to companies using the small print angle, under the transparency aspect. I have heard in the past that some travel insurance companies will baffle claimants with the small print and wriggle their way out of paying smaller claims.
The following statement on the linked page, would possibly lead me to call them and confirm its meaning, if I thought it would help with any potential claim that I might have:
If you are not sure which regulator your complaint falls under, contact us and we will try to advise you