I totally understand the apprehension many people have about crowdfunding when the thing that is being funded is something like Fantagraphics needing an influx of cash right now to help with their operating costs. I totally get it. However, at the same token, if you think it is not worth helping out one of the world's best comic book companies, then that's fair enough - just don't do it.
I, for one, think it is worth helping these folks out, especially when your help simply amounts to pre-paying for some awesome comic books.
For instance, I just pre-ordered a signed copy of the upcoming paperback edition of one of my favorite comic books, Michael Kupperman's brilliant Tales Designed to Thrizzle. I would have also pre-ordered a signed copy of Jaime Hernandez's upcoming Love Bunglers collection but it literally sold out as I was about to click on it.
So, in other words, there is some cool shit that you can get from Fantagraphics and at the same time you can help them out during a difficult period. I think it's worth doing. If you do, as well, then go for it. If you don't, then you don't have to do it. We live in a wonderful world where you have that freedom.