> The only exception for me would be for something that changes frequently where any diagram made by hand would go out of date quickly or be burdensome to maint

> The only exception for me would be for something that changes frequently where any diagram made by hand would go out of date quickly or be burdensome to maintain (not that diagrams usually get maintained...) I think there is something of a truism here... hand-made diagrams don't get updated because they are so hard to maintained.