Earlier quoted context omitted.
The first thing is obviously playful hyperbole, but I don't know about "childish". But, regarding your second quote... if you bring up the idea of a way of speaking being "better" or "worse" to a modern linguist, trust, me: you will understand why the author uses "wildly offended" instead of just "offended". If the author had just kept it at "The entire concept of an elocution class is offensive to most of the modern…
> if you bring up the idea of a way of speaking being "better" or "worse" to a modern linguist, trust, me: you will understand why the author uses "wildly offended" instead of just "offended". Not all modern linguists are descriptivists; some are in fact prescriptivists. It is a pretty fundamental personality divide: some people take the world as it is, others as it could be (or ought to be).
Even just a single modern prescriptive linguist, without any of those other qualifiers. I would genuinely love to see it.