This could have been written at any point after the 1850s or so.

1850? I wager we could go all the way back if we tried.

> (…) the Italian artist and writer Giorgio Vasari,who used it as early as 1530, calling Gothic art a "monstrous and barbarous" "disorder".

https://en.wikipedia.org/wiki/Gothic_art

Indeed, I would not be surprised if there was someone calling the first cave paintings awful vandalism.

I just thought of mid 1800s, since around that time people got really experimental with different styles of painting.

Indeed. Once galleries became significant buyers of art, scandalous art became an attractive thing to produce: it commanded outsized attention.

The dynamics are similar in Twitter today, too.