One person's trivia is another person's useful information.
> Unless Alice, for example, has made some profound contribution to CS then it doesn't deserve it's own entry based on the limited number of papers available
If significant numbers of people are interested in the subject, then having an article about it promotes the public good. Deleting the article harms these people.
> even then it may not, the contribution could be listed elsewhere, perhaps on a general page about similar contribution or on the page for the language that has been most impacted.
If you have a phenomenon with its own name, it's better for a subject to have it's own article, rather than be a note in another article, because then it's easier to find.
> Or, as I said at the start demonstrating the notability and having the articles reinstated in Wikipedia.
Why should the onus be on hard-working Wikipedia editors to show their articles are worthwhile? Instead, it should be on the vandals who want to destroy work.