Personally I wouldn't swallow it as the whole truth, but I enthusiastically approve of the "pick up a shovel and do something" mentality. There are many complainers and not enough do-ers. My own take is more like "subvert your lawn ... with clover."
I have plenty of dandelions and their relatives in my lawn, lots of English Daisies which the pollinators seem to like, some Queen Ann's Lace, but the real subverter in my climate is moss. Who says moss is a bad thing? I don't need to mow moss!
For anyone who really wants to keep a bit of lawn, and let's face it not everyone is ready to give it up completely, here is Paul's article about better ways to care for one