Why was Santa's little helper feeling depressed?

Because he had low elf-esteem.

Why did Frosty the Snowman have kids

Because he wanted a family that was chill

Why did Santa's elves go on strike at the North Pole?

They wanted to clause their contract and improve their working conditions, but it was a gift-wrapped ultimatum.

Why did Santa install a new heating system at the North Pole?

Because the elves were always feeling a 'draft'.