As long as we're using fossil fuels, planet temperature does in fact have something to do with energy consumption. You seem to be arguing that because renewable energy sources exists, Bitcoin has nothing to do with fossil fuel emissions. However, that is false, as 8% of Bitcoin mining happens in Inner Mongolia, which is home to many of China's large coal mines[0].
[0]: https://www.independent.co.uk/life-style/gadgets-and-tech/bi...