Gen Z linguistic phenomenon. It's to signify a more authentic or calmer, more personable style rather than an overly literary one. It's kind of nice actually, like talking to a friend about their thoughts.
https://www.theguardian.com/society/2025/feb/18/death-of-cap...
It goes back to the 1960s TV show, "The Prisoner".[1] In the village, all signage and maps are lower case only, and in a unique font.
It's how we all used to talk on IRC, well before Gen Z came online :)