What was the point of removing the gba slot from the 3DS?

I Turned A Broken Nintendo DS Lite Into A Gameboy Advance Spawn Wave · views

What was the point of removing the gba slot from the 3DS? All models of the 3DS and the DSi actually have a secret GBA slot BUT OBVIOUSLY, YOU HAVE TO DRILL A HOLE IN THE SYSTEM SMH,

I Turned A Broken Nintendo DS Lite Into A Gameboy Advance Spawn Wave · views

area 118 slot Yes, but with a catch The original Nintendo DS and DS Lite models have a special slot, Slot-2, specifically designed for Gameboy Advance

works even if you don't have the GBA slot on your system WinZip or The Best R4 Emulators

dsi gameboy slot DSi does not have a Slot-2, and therefore cannot take Gameboy cartridges A Nintendo DS and DS lite have a DS game slot and a game pak slot (Gameboy Advance

I'm under the assumption that as long as you get a Nintendo DS game it will have that extra slot since the Nintendo DS