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Pardon me if I make a mistake here (I haven't had breakfast and I'm about to go out). Re: when speakers do make arguments to defend a usage, these arguments are often complicated by their reliance on false ideas on linguistic matters, such as the impression that an expression is newer than it really is. The reference only provides one example: "accepted to college". As far as I've read, the false ideas of usage usually pertain to expressions that have not been in the standard language for long, but in a dialect form for longer. Sometimes even a usage might die out and then be revived again, to be defended on its age. Would not it not be clearer to elaborate on "linguistic matters"? It is difficult to guess them solely from one example (that an expression is newer than it actually is). If the sentence were clearer, it would easier to verify it.