Other factors:

There was a global run of, on average, improving living standards from 1946-2008/2019 (depending on country). That ending puts us in a situation without a good frame of reference within living memory.

A lot of the more utopian scenarios have been foreclosed upon by either the limits of physics and finite natural resources or by the realities of human nature/the behavior of organisms in a large and complex society.

News media and social media highlight the negatives, because neutral events or gradual progress are the assumed status quo.