Y is still best selling EV in AU/NZ, despite vast competition from China.
It could be similar to late 90’s market share slide of Macintosh. Apple was the largest pc manufacturer but had the smallest market segment overall. There were so many IBM clones that the overall market share of the PC market was higher volume than Macintosh.
Model Y might be the best selling, but the VW sister brands have 18 models that compete and together outsell the Y.