Well, they are admitting that ‘Global Warming’ is less scientific. That’s a start.
They are only admitting that they have used a term that had only had one meaning. The Earth was getting hotter.
Now they want to use a term that can mean whatever they want it to mean as they dictate how you run your life and who you should really listen to.
The more vague they can be about anything the easier it is for them to deny what was said in the past.