Saying that crypto mining has no noticable affect on the grid is like saying that cars cause no pollution,
0.55% of global electricity production
You answered yourself.
there is ETH which also consumes so much electricity, LTC, BCH...etc
Shitcoin hashrates are a joke when compared to bitcoin hashrate and you already admitted that bitcoin power consumption is miniscule.
BTC 215,000,000 THS
ETH 995 THS
LTC 443 THS
BCH 1,400,000 THS