In a great post by Bruce Lawson, he goes into detail about why you should write to the UK regulator about Web Apps.

Without these remedies web apps might not be viable for years to come. The web needs your help by next Thursday (29th August)

Read:
https://brucelawson.co.uk/2024/web-apps-on-ios-is-the-cma-missing-the-point/

Bruce Lawson's personal site

ยป Web Apps on iOS: is the CMA missing the point?