Because they're delicious. WHAT... is your name? WHAT... is your quest? WHAT... is your favorite color?
Speak 'Murrican, dangit! (For best result, read in a Southern accent.) Who stole the cookies from the cookie jar?
the same reason we decorate a tree every hearths warming. to celebrate pony jesus he looks just like you would expect. like human jesus infact he is the same jesus just in a pony body to save pony souls too do jewish or muslim ponies do anything different on hearths warming?