Sigh, sorry, can’t edit again lol. The reason for cancellation, as a sidenote, was a worsening of one of my wifes conditions, making the Ateca unsuitable (can’t sit in it for long). So it was a change in circumstances, rather than something that was preventable.
Prior: SEAT Ateca Xcellence Lux 1.5 TSI DSG MY19, VW Golf GTE PHEV DSG MY23
Current: Hyundai Ioniq 6 Ultimate
Next: we'll see what's available in 2028.