A subject that has seemed to get a lot of attention lately is whether buying a certain ruler is worthwhile or not. There seems to be a belief among some that if you are the one who has created an "easier to do xxxxxxx" ruler you are just trying to make money and your tool is not necessary. The other side of the fence is "gee, that tool makes my life easier and my quilting more enjoyable and I will happily give you $xx for having the idea and going to the trouble of manufacturing the tool."
I'm definitely in favor of trying out the tool and seeing if it does make my quilting more enjoyable. And I'm not bitter towards anyone who takes the initiative to create the tool. In fact, I rather admire them.