ETAs are a (nother) method of getting travellers data including passport details prior to check in, although those details maybe incorrect, which is probably why the UK  will require an image of the passport to be provided as well. PNR data supplied by airlines is  notoriously iffy when...

Why? UK citizens have required an ETA for Australia (and NZ  since  they introduced them)since their introduction and a visa prior to then.

Most countries with a ETA system (as opposed to a Visa) like USA,Australia will nearly always issue an ETA or notify of unsuccessful application within a few hours of applying. Admittedly Australia and the US don't require a photo, so that may delay approval of a  GBR one depending on what n...

The two bags @32kg each is for new bookings not those booking between June and Dec 10, which I have for flights in April. Interestingly my baggage allowance has gone from 1x23kg to 2x23kg.

They already do have approval for a daily flight, but not flights (7 v 14)  which is what they want apparently. As of July no application to increase this number or any of the other approvals required had been received. So any issues ariound 5th freedom haven't formally been asked ( as of Ju...