There was no massive premine or fastmine of BBR
I agree. To be more precise there was no premine or fastmine at all.
The per-block developer payment is a bit like a premine though, especially how it is structured (negative votes just defer payment, they don't actually reduce the total amount given to the developer, which is fixed at 1% of the total).
Still that is not at all massive by the standards of other coins with a developer coin grab.