For me it's a matter of mental overhead. When I used to tweak every little setting and install a plugin for everything, it was so much work, for, and let us be

For me it's a matter of mental overhead. When I used to tweak every little setting and install a plugin for everything, it was so much work, for, and let us be realistic, very little gain in the long run. Now I usually run defaults with some bare essential tweaks that is obvious improvement on my "quality of life" - and if I cannot automate the setup it needs to be required or I'm not doing it - that is it.