Britain is historically just England and Wales, though colloquially now used as a shorter way of saying “Great Britain”, which is England, Wales, and Scotland.
The British isles is England, Wales, Scotland, Northern Ireland and the Republic of Ireland (and all the smaller islands like the Hebrides, Orkneys, etc)
Britain is just England and Wales
Also, I don’t see how he got that 16% is “technically” a third
And Scotland
Britain is historically just England and Wales, though colloquially now used as a shorter way of saying “Great Britain”, which is England, Wales, and Scotland.
The British isles is England, Wales, Scotland, Northern Ireland and the Republic of Ireland (and all the smaller islands like the Hebrides, Orkneys, etc)
Fuck off British isles is a term used by the occupiers to legitimize their occupation. The Republic is not a part of the British isles
The British Isles is a term used because Albion fell out of favor.