I do believe we need some sort of grouping as the issue with BBP is that we're getting big numbers.
Yes, absolutely. Horrible without, that's why I posted the link to the PDF, which shows spaces as a more modern alternative. Not a must have, but maybe a good solution for everybody.
As said, it is not the biggest thing in the world, nobody dies because of it, I only know that problem from my own experience, in my daily job that already caused some real problems

(Customer: You said 1 Meter! -> No, 1000 Meter....)