It's not important, IMHO.

It could be single founder + employees (but unlikely given the site design) or just him.

But he could always say he's using the royal we.

You think? As someone potentially in the same situation as he is, I would feel uneasy about writing something that's not the truth.

'we' is the truth because my wife does give me valuable advice and assessment on juwo, on people I interact with for juwo. Even though she has 0% equity.

I am embarrassed to admit it's just me. It seems like "No single-founders allowed".

So the 'we' is wife (advisor)...

(Actually, I had an informal advisory group which I dissolved. The 'we' comes from there. As you fellow entrepreneurs will learn, advice is of little use - you want someone to help with the work to be done).