should they cool before at all before rolling?

I have a question about step 7 on the recipe "Cinnamon Sugar Breakfast Puffs" from fiveandspice. It says:

"One by one, dip each puff in the melted butter - get it all over it - then roll it in the cinnamon sugar. Transfer it to some lovely, festive serving platter, and continue until you have rolled all of the puffs. Serve warm - they are by faaaaar the best when they are still warm - with coffee, and mimosas, and other goodies."

• cooling baked goods

Recipe question for: Cinnamon Sugar Breakfast Puffs