>>5966
> I wonder if they were supposed if they were supposed to fill a toyline and Hasbro ditched them halfway in the plans or if they were meant to be special just for that episode alone.
Apperently they were foreshadowed in Three's A Crowd.
>Fluttershy: Um, so sorry for barging in like this... but I'm so excited, I just couldn't wait to tell somepony! The Equestrian Society for the Preservation of Rare Creatures have given me permission to observe the rarest, tiniest, most adorable magical creatures in all of Equestria – the Breezies!
https://mlp.fandom.com/wiki/Transcripts/Three%27s_A_Crowd
So perhaps they were going to set them up for toy line. Though it also could've just been them flexing their muscles on having a stronger storyline and saying "Let's foreshadowing and callbacks twice as much!".

>So thinking coldly about it, I have the theory that the breezies weren´t explored beyond its debut because of their small size and the amount of inconveniences for establishing any future plot device.
Seems pretty plausible ta me.

>you were a lost cause long ago anyway.
She's not a lost cause she is the source of a lot of the infection!