Why does the page claim "no external dependencies" as the very first feature, wh...

Why does the page claim "no external dependencies" as the very first feature, which is utterly false given it requires 26 additional libraries to be installed first:

libasound2-dev libegl-dev libgl-dev libgl1-mesa-dev libgles-dev libgles1 libglu1-mesa-dev libglvnd-core-dev libglvnd-dev libglx-dev libopengl-dev libpthread-stubs0-dev libx11-dev libxau-dev libxcb1-dev libxcursor-dev libxdmcp-dev libxext-dev libxfixes-dev libxi-dev libxinerama-dev libxrandr-dev libxrender-dev x11proto-dev xorg-sgml-doctools xtrans-dev