I think that paper came up on HN before and IIRC the tasks they were measuring were things like manually positioning some figure in an arbitrary position. This

I think that paper came up on HN before and IIRC the tasks they were measuring were things like manually positioning some figure in an arbitrary position. This is not a use case LaTeX optimizes for or one that comes up often in my experience. Edit: See https://news.ycombinator.com/item?id=8797002 https://news.ycombinator.com/item?id=8797002 for an earlier discussion of the referenced paper.