[mrinterweb]

> One benefit to squash merging that you might have overlooked is that it can encourage frequent (and messy) committing, knowing that the churn will disappear without having to work hard to clean it up.

I've noticed the opposite. Developers who know all of their work will be smashed into one commit at the end tend to not commit as frequently, and the commits they do make are just checking in all of their work at intervals. It is more of a process of saving state. It doesn't matter how frequently they commit if all the commits will become one.