Yeah, I would argue the projects requiring a CLA are exactly as you described - companies that want to keep specific future options on the table. OSS covers a

Yeah, I would argue the projects requiring a CLA are exactly as you described - companies that want to keep specific future options on the table. OSS covers a wide spectrum of projects, from the Linux Kernel at the one end, to Frank's recent half-assed attempt at a CSS editor. Clearly no statement is going to cover everything. The set of projects that require a CLA, and the set of pseudo OSS projects has a high degree of overlap.