I have mixed views on "Boston John", and much of that hinges on the traffic levels at the time. Was this night traffic? Probably best to avoid the habit of non-English messages, though - the 2nd clip sums that up quite neatly.
Although …. OK, an affectation, perhaps, but I sort of like his emphasis on words like "crossss RW27". That's not going to lead to a mistake, and obviates the need for further messages and keeps the traffic flow going.