It is strange that we (Bitcoin community) have to justify and explain our "Energy" use... but large corporations are flying under the radar. (Example : How many Fiat ATM's are using "clean" energy? ..... How many card readers in shops are using renewable resources? .....etc.. )
even if bitcoin mining is moved to renewable energy i think those bitcoin haters will still find another reason to keep attacking bitcoin this will definitely never stop until bitcoin is no longer active. but unfortunately bitcoin will never stop working so we don't need to argue with them too much on this issue
like you, i never bothered about bitcoin mining energy, can we see heavy industry, all the tech stuff these days, how many things use green energy? why bitcoin and always bitcoin, while bitcoin is also bringing value to millions of people around the world