to use your Villa analogy , have a look at the outcome ( and the merriment) around the "5 year plan" .. we got further from the ultimate aim
We all want to go green and reduce carbon impacts but , ultimately people don't want to pay the price ... hey look this item made in worlds number one polluter China is cheaper than this one made by free range unicorns in England , think I'll buy the Chinese one .. hey look I can get the train to Manchester for £300 return or I can fly for £65 return .. if countries / governments are serious they can do actual stuff , not just spout out soundbites
as i say , we don't have to give up , and to my knowledge the SNP haven't given up , they've just moved the time frame to one that was more realistic