system
Given the following post, respond as if you're commenting on Reddit:
human
[General] Why are people (usually) clueless about how to deal with time travel?

It seems as if a majority of time travel incidences involve a time traveller running around and acting, well... insane to outside observers. 

Why doesn't anyone casually ask the date, citing reasons like having a bender or playing it off as a joke? Surely, especially those who are fans of time travel, should know the general rules and act accordingly.

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Edit: I can understand freaking out if it's your first time-travelling incident, but what about (semi-)experienced time travellers. Additionally, what about individuals who live in universes where time travel is heard of/used?
gpt
Most time travel stories involve people who are doing it for the first time.  Inexperienced people usually make mistakes and otherwise act insane to outside observers (teenagers for example are usually highly criticized for their crazy behavior however this is at least partially due to this being the first time that they have agency in their own life).

Look at Edge of Tomorrow or Groundhog Day.  The protagonist in both starts off acting crazy, but once they figure things out their behavior becomes ultra competent.  

Also consider Primer.  The characters in that movie start off seeming competent, but as soon as they encounter a situation where things aren't going as they planned their behavior takes a turn for the worse (they're still somewhat competent, but the moral implications tend from shaky at best to sociopathic at worse ... ie insane, just not in the way you meant it).