Merriam Webster updated the definition of literally to include the "informal" figurative definition in 2013.

Now I use "objectively" because literally doesn't literally mean literally in the dictionary.

It is a bugbear for some, irregardless of when the first example was documented. Loose/lose has the potential to be such an annoyance. For some people.

The word "new" can carry a connotation of "recent" but it more literally implies "the latest version." For all intensive purposes, I did not mean to imply the controversy about the metaphorical use of "literally" was a recent development.

It's changed massively in recent decades.

Just because it had been used occasionally in the past is irrelevant (notably in metaphors or hyperbole). If anything, those literary uses strengthen the denotaton of the word.

1530s, "in a literal sense, according to the exact meaning of the word or words used," from literal + -ly

The dictionary (OED) is built around common usage and clearly shows common usage for a long time.

Just because illiterate Kardashians use it incorrectly doesn't mean the rest of us should.