>>539768692
It's for fighting. Saiyans were never a very fecund people. Their numbers hovered around 1000.
>>539768028
In that case Bra should have been a tiny girl even at 14. I think Toriyama didn't care about consistency when drawing the GT designs.
>539768284
BOOM! Goku, Pan, and Trunks are bigger than they should be because they're the main characters and they come from a different design sheet. The rest are as tall as they should be.
Comparing all of these to EoZ, everyone looks more than 5 years older.