Why does Logic pink noise generator EQ slope down

Just curious why the pink noise generator EQ slopes down. I put a EQ plugin on the master, and ran pink noise. The EQ of the generated sound is nice and flat but has a definite slope down from low frequency to high. Seems to me the point of pink noise is to have a complete flat response. For using room calibration tool to test your listening position.

White noise has equal distribution of energy across frequencies, so there is as much energy between 100 and 200 Hz as between 8100 and 8200 Hz. However we don't hear in frequencies but in octaves. 200 is one octave above 100, but the octave above 8100 is 16200, in between which fits 81 times as much energy of white noise. Because of this we perceive white noise as heavily pronounced in the highs. Pink noise avoids this by having equal distribution of energy per octave which matches our perception so we hear it as equally distributed across the frequency range.

Thanks for the great answer. Leave me questioning why room EQ programs usually use pink noise for a flat response. Or a sign wave sweep, which I assume it balanced db across the entire range of frequencies.