I do find the thesis in the ending quite weak:
> For a longer time before the gritty period, we all dedicated ourselves to the idea that anything we’d acknowledge as very good had to be both serious and artsy. People really liked Good Will Hunting (see: very serious); it was also a good movie, so it won an Oscar. Zillions of people love movies like The Princess Bride and Happy Gilmore; it’s incredibly likely both dwarf Good Will Hunting in terms of total views, but you can’t even imagine a world where either could have possibly won an Oscar.
[...]
> This is a short article by my standards, but it does have me thinking: What kind of world could we actually live in, if we were willing to treat works of art made with the goal of making us happy as if they were important? What if we were willing to make them? We’ve seen what happens in a world where all the Oscars go to movies that make you cry, or that we pretend make us think even though they generally don't
There are plenty of widely acclaimed movies that can not be considered "very serious", picking some recent Oscar winners as examples with categorizations from wikipedia:
* Parasite ("black comedy thriller")
* Green Book ("comedy-drama")
* The Shape of Water ("romantic fantasy")
* Birdman ("black comedy drama")
* CODA ("comedy-drama")
* La La Land ("comedy-drama")
* Life Of Pie ("adventure-drama")
Are all those completely feel-good movies intended to make you happy? Maybe not, but still its not like happy/humorous/feel-good is completely disregarded category even among grumpy art critics.