The simplest answer is because that is how I would describe myself, and there don't seem to be any better words in english.
According to pages found through google's glossary (where else would one turn?), "bricoleur" is:
In our post-DMCA world the positive benefits of being able learn through tinkering is a hot topic. Ed Felton's excellent web log called "Freedom to Tinker" and the Yale web log called "LawMeme: Legal Bricolage for a Technological Age" are but two examples.