While this seller looks pretty cheesy, isn't the fact that anyone can add value to the software and make money
off that added value one of the big arguments for open source software?
Isn't that what some of the Linux
distributions are doing, packaging up open source software with tools, support, extras that add value to the package and selling it for profit?
While you can argue the value added is not enough to justify the cost arguing that he shouldn't be trying to make a profit off it seems counter to what the open source community touts as one of the benefits of this whole scheme of software creation.
I would also argue that if anyone can actually get this right and package this as a workable product that installs easily and consistently on all computers
and has the charts
and extras (drivers, etc) in the place they are supposed to be and working that it would be worth spending money for many people and would help the platform considerably. As it is now it takes way too much computer expertise to find everything and install it for it to really reach the bulk of people who could benefit from it. This guy might not be the right person to do it but someone will have to if you want it to become more widely available.