"Most singular" does not mean anything. It's gratuitous gibberish.
Most is a superlative, it only makes sense when comparing 3 or more things (plural.) No comparing was being done here, and "singular" is a word whose meaning allows no opportunity to augment it with a superlative. There is no more or less singular, no least or most singular, singular is simply singular.
It's not exactly shocking to see poor English in a slashdot writeup, but this one manages to be even worse than expected.