Unfortunately this is why many places have a minimum chick purchase rule; to prevent people from buying chicks because they are cute without intention to properly care for them. Dyeing chicks and marketing them as "cute Easter playthings" has finally been outlawed, at least in my area. There are numerous signs where the chicks are sold stating they are sold for agricultural purposes only. It doesn't stop everybody though
I dont find it offensive, but interesting. I have seen the dyed chicks, their pretty cool looking. There is a website that shows how to do it with non-toxic coloring while the chicks is still in the egg. The color wears off when the feathers grow in. The dyes do not harm the chicks. Before anyone gets upset over is, they should research it and learn what it really is.