Hi,
For anonymous scraping it could certainly be useful. This poses a problem as far as making Tor Project look as if it supports autonomous anonymous scraping of web data. Ultimately this impression could lead to even more blocking of Tor exits. Another problem with the idea of a randomized fingerprint is that it breaks useability. It might be great for scraping but web sites rely on knowing some of those parameters for proper display. Finally it's worth mentioning that the goal of TBB fingerprinting is to reduce entropy within TBB's user base. A random fingerprint violates this constraint.
I'm not commenting on gsoc eligibility--just that it's an edge case which will lead to blocking of Tor's exits. If more exit get blocked then you cannot scrape.
--leeroy