Absolutely. It's a way to offer a figure they would otherwise not do. And debates aside they are designed to not be "must haves" though as rabid fans we usually do.
The main thing to remember though is that it is a way to offer a figure that does not fit otherwise in a different slot. I will always choose to be offered more figures whatever way they can figure out a way to fit it in than not get more figures.
As usual it's easy. If you want it, get it. If you do not want it or do not want to do the process necessary to get it, dont get it.
One way or another I have gotten all the chase variants and I have not paid second hand prices. Did not necessarily get them the very first time they are offered, but I did get them.