Code review comment for lp:~manishsinha/zeitgeist-datasources/bzr-improvements-subjects

> That's why I also don't really like this approach, you're increasing global
> relevancy of subjects you could have actually never worked with. (consider
> kernel-like bzr tree and the thousands of files when you do a single pull).
Note that this scaling issue also applies to commits, as you can commit a merge (which would involve the same amount of changes as a pull or push).