I actually agree with many of the suggestions in the paper, but of course am biased as these are my colleagues and we disagree on some of the interesting capabilities of modern serverless architectures (see https://arxiv.org/abs/1810.09679 ) . But it comes across like this DeWitt/Stonebraker piece from back in the day, "MapReduce: a major step backwards" https://homes.cs.washington.edu/~billhowe/mapreduce_a_major_...