"Many researchers do not share their data and code simply because they do not know how. The process of archiving data and code is not always straightforward. In one survey of biologists, 46% of respondents were unaware of how to organize data in a presentable and usable way, and 33% reported that not knowing which online hosting service, or repository, to use was a barrier to sharing data and code "
https://royalsocietypublishing.org/doi/10.1098/rspb.2022.1113