I had the same issue recently with a BMW voice activation system I was playing with. Mimicking an English accent worked for that one!
I would have spoken to it in a foreign language if they had let me. Instead, I have no idea to this day what Cortana sounds like.
That is a pet peeve that we have back home, because of market size, many US companies rather support Brazilian Portuguese than any of other variants.
European Portuguese gets left out due to market size, while African and Asian Portuguese get left out due to buying capabilites.
Thing is, having to speak to a device, in another language variant just feels weird, leaving out the little detail that one does need to learn the differences as well.
would you consider British English the only actual English?
Not only Brazil has 20 times the population of Portugal, but there are considerations to be made about how languages evolve in the periphery, which might not apply to Portuguese, but certainly apply to Canadian French vs French French.
Respect though.