It matters because we're discussing which medium this looks like.
That's like saying "if we're trying to identify a flower, does it really matter which flower it is?".
Bob Ross's entire show was a vehicle for selling his brand of painting paraphernalia, chiefly the oil paints he used on the show. This is obviously digital oil, and looks nothing like watercolor. But I'm pretty sure SushiKnight was just shitposting anyway, so everything's moot.
And yeah, Japanese pan comes from Portuguese pão. I was kinda surprised to find out, as a Brazilian. lol
I think the Japanese word for salad comes from Portuguese too.