[sys_64738]

Sure, let's shoehorn in lots of random computers from overseas. BBCs only sold to schools and education but not to most parents as they were too expensive. ZX Spectrums were Z80 based which isn't a 6502 processor. Apple 2 is mentioned in the article.

[musicale]

I think the point is that they sold fairly well compared to other successful machines of that era. They probably also outsold a number of popular game consoles as well such as Atari's 7800.