It's all too human an instinct to attempt to signal in-group membership by imitating and adopting the culture of said in-group (see shibboleth [1]). It's also c

It's all too human an instinct to attempt to signal in-group membership by imitating and adopting the culture of said in-group (see shibboleth [1]). It's also common to go overboard in these attempts to the point of hypercorrection which, if turnover rate is high enough, may then become accepted usage for the next generation… [1] https://en.wikipedia.org/wiki/Shibboleth https://en.wikipedia.org/wiki/Shibboleth