They do when the knowledge of the resource consumption is paired with "Which will directly lead to your electric/gas bill going up."
People are also paying attention to the fact that the politicians aren't paying attention to the people. Nobody is even trying to sell the benefits of a datacenter in people's backyard. Instead, politicians are bending over backwards to eliminate any possible benefit by giving these datacenters permanent tax breaks.
When you have politicians clearly bought by businessmen who don't care about the communities that elected them. It's a bit of a no brainer that they'd be voted out.