Should we delete data? It doesn't seem to add value, what would even be the wiki and description for the tag, and for example https://stackoverflow.com/questions/tagged/data is empty. For appropriate uses, we have calldata.
For clarity: making data a synonym for calldata is not helpful because that will probably lead to many questions incorrectly being tagged with calldata. calldata is specific and is not about analytics, oracles, historical prices, and whatever other data people are interested in...