These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Award Snub: A pretty minor one, considering it lost to a good movie like Chariots of Fire, and was up against a major epic like Reds and well-received dramas On Golden Pond and Atlantic City. But of those films, Raiders had made a more lasting impact (on summer blockbusters, adventure films as a respectable money-making genre, Harrison Ford's bankability outside of Star Wars, etc.)
Spielberg losing Best Director to actor Warren Beatty (for Reds). While Beatty is a respectable director over a decent career, Spielberg was at the height of his powers directing incredibly well-made action movies. It would get worse when Spielberg lost the following year over ET (after which is when he started making serious Drama movies).
Harsher in Hindsight: As Indy speaks with Marcus while packing for his trip, Indy says "You sound just like my mother" as he dismissively speaks of the Ark's powers (which turn out to be very real). In Indiana Jones and the Last Crusade, we learn that Indy's mother passed away during his childhood, and his relationship with his father fell apart afterwards. And he grew to hate his father for being so obsessed with the Holy Grail, rather than focusing upon Indy.