Clearly, the uninstaller module for CFP needs to be overhauled, perhaps from scratch.
No argument there.
Is it absurd to go through this much trouble? In a way, yes. But keep in mind that CFP is still a "work in progress."
For a "typical" CFP installation, it will take about 30-45 minutes to complete my instructions, start to finish. If you use Ragwing's batch file, it should reduce your uninstallation time considerably. The full set of instructions and the batch file are provided so that current users have a choice, particularly if one approach does not completely remove CFP from their systems.
When you have a tight-knit community such as ours pitching in and helping others, you can get a sense of what it must be like to help in the development of 'open source' software. And while CFP is certainly not open-source, it IS free and it does the job a lot better than software selling for USD40 or more.
The benefits ARE there if you are willing to contribute, even if in a small way.