I have in mind that the link you provided is probably an unofficial posting, and I think it might be for a European model. I've noticed that it references "DE": does anyone know what that signifies or stands for?
I do miss the rain sensing logic on my 2008 Honda (which I don't think they even advertised in that car). For example, if I had the front wiper on and I put the Honda in reverse, the rear wiper would automatically start. And if I had the front wiper configured for intermittent speed and the rain slowed down to the point that the windshield got drier and the wipers had to work harder with each pass, the wipers would automatically become even more intermittent. Very subtle, but nice, features. I wish the Niro had the same.
Something else I noticed a few weeks ago in that link you posted was a statement to the effect that the windshield camera was able to notice speed limit signs and feed that information into the navigation system's display of the current speed limit. My navigation system displays the current speed limit, but it clearly isn't getting that information from street signs. I kind of wish it did.
2018 Niro PHEV Gravity Blue