They have to be members of a bizarre nature cult or something.
Some more “extremely short-sighted” alarmism from the eco-wackos. They expouse the principle of climactic/tectonic/geophysical stasis in the most horrific - and non scientific - terms they can invent in order to further their control agenda.
Facts are species come, thrive, then decline - or adapt - in response to changing conditions of environment. In the East I use the example of the common seagull. Once rarely seen inland its now a plague around every FF joint/mall and garbage dump a hundred miles from its former shoreline habitat ! Many species of raptors have adapted to our cites - with their large prey populations and ready nesting sites - with a zeal ! >PS