I was only supporting the: > Finding time for six one-[unit] [block]s is by definition easier than finding time for one six-[unit] [block] of meetings. that y

I was only supporting the: > Finding time for six one-[unit] [block]s is by definition easier than finding time for one six-[unit] [block] of meetings. that you responded to. As long as there's anything at all with fixed position, you can end up with fragmentation, and even when (you can guarantee) there isn't, the former is just "exactly as easy" as the latter, so the general case degrades to "is by definition at least as easy as".