"People should not be sharply corrected for bad grammar, provincialisms, or mispronunciations; it is better to suggest the proper expression by tactfully introducing it oneself in, say, one’s reply, or into a friendly discussion of the topic itself (not of the diction), or by some other suitable form of reminder." -a wise dude from a long time ago

https://comprehensibleclassics.com/2018/08/15/marcus-aurelius-on-error-correction/