I vote minor works - and agree that any alleged reg that actually outright bans multiple cables in an MCB yet allows a large clump of wagos with the same cables. stuffed in the cavity behind is unrealistic and pushing in the wrong direction especially on existing installations.
Ideally as many ways as possible in a board to separate everything as much as possible but often cost/ space/ reality gets involved here
if its not an MWC and its an EIC, then part P applies in England and Wales ............