HookupJS sounds awesome. Having underwhelming options was completely intentional. The aim was to do ONE THING, and do it as fast and in as few steps as possible. The equally underwhelming source is actually available at http://github.com/davidadamojr/cliptext
Yes indeed. There are quite a number of people who absolutely think this is a bad idea and for good reason too... However, one may argue that it can be rather convenient.
I admit it is weird. However, the primary purpose of the tool is to eliminate all that copy-paste and also avoid taking a full screenshot that contains irrelevant aspects as well as going to through the hassle of uploading the screenshot yourself. Whether or not it achieves this purpose is a whole other story. :)