I think it's because you severely limited the perception to a basic ranking. It's a massive undertaking to actually move up against AWS or Azure considering the incredible scale of these platforms so continuing to be #3 in customers is not really an accurate measure of progress.
The article is pretty clear on what's she's done so far. There's no denying that they have a lot of work to do but if you're actively using the platform then you'll notice that there has been a lot of change in just a few months with them, which should all help to increase that customer number.
