What is the difference between an argument sandwich and a data dump

The difference between the two is that, an argument sandwich is a more constructive form of gathering data and analysis compared to a data dump.

By definition an argument sandwich is a way of presenting an argument in three steps: the introduction, the evidence, and the analysis. As opposed to a data dump where all information is just transferred from one system to another without the need to filter the information.

By by showing how hard it was for the sisters to feign grief