Great, now they all want a scarf.
The woman knitted a single scarf (which probably took a long time) for one snowman; that snowman apparently told all of their snowman friends about it and they all want one. However, it's unlikely she'll be able to make so many before they melt in spring because kitting as a hobby isn't fast enough to produce at a mass scale. The caption is her regret about the kind act of making one snowman one scarf.