I would tend to agree. The USD balances appear to be kept in a US bank. Here's how wise is regulated in each country...
https://wise.com/help/articles/2932693/how-is-wise-regulated-in-each-country
I'm still not 100% sure whether or not to report the USD side. Also, if you've ever done an FBAR report, you'll know that you also have to choose a country when you declare an amount. So for those that say, 'sure report it anyway', have you actually done this? And what country did you choose for the USD? The question is a bit complicated.
