Fair point, but I bet that making Firefox take 0.1W less on average is vastly more work that fixing a TV image. And if you write blog post about it, maybe other people can fix their TV with less work.
I don't know if I am going to ever fix a TV this way.
But the knowledge of how to create a custom shader is going to come in handy one day. More and more I am finding, most knowledge comes in handy some time. You just have to remember at the right time what is possible and go refresh your memory on it.
Washed up waste is the tail end, the only "big" difference it makes is to the localized beach until the next tide/current comes from the source of the pollution.
Saving the monitor, releasing the diy reduces a (minor) head end of the problem that is not only leading to long waste in a landfill, but also metals and plastics in water.
But the knowledge of how to create a custom shader is going to come in handy one day. More and more I am finding, most knowledge comes in handy some time. You just have to remember at the right time what is possible and go refresh your memory on it.