>Gold is a requirement for industrial purposes, for jewellry, for chemical processes for medication.

https://www.statista.com/statistics/299609/gold-demand-by-in...

That might be true but 46.64% of gold demand is for "investment", and a further 8.58% is for "central banks". In other words, most gold produced is hoarded and not used for anything productive. If you're against bitcoin because you think it's a non-productive use of energy, you should also be against investment/central bank use of gold.