Something of note from your link ...
"A Facebook page belonging to a person named Wynn Bruce said he was a Buddhist and a climate activist.
In 2020, Bruce left a cryptic Facebook comment that included a fire emoji and the date of his death, 4/22/2022."
SNIP ...
A Buddhist priest from Boulder said she knew Bruce and called his death “an act of compassion.”
“This guy was my friend. He meditated with our sangha [Buddhist community],” Dr. K. Kritee wrote.
This act is not suicide. This is a deeply fearless act of compassion to bring attention to climate crisis."
Still more at the link.