I admire those scientists -- I mean actual credentialed working scientists -- who deign to spend a lot of time explaining science to layfolks like me. They are a differentiated bunch. Examples that come to mind are: Neil deGrasse Tyson, Lawrence Krauss, Michael Polanyi, and -- my personal favorite -- Sabine Hossenfelder. This must be roughly the tenth time she has inspired a post in this humble blog. Let me introduce her credentials. Hossenfelder has a Ph.D. from Goethe University Frankfurt, for which she wrote a thesis on "Black Hole Relics in Large Extra Dimensions." That will give a flavor of such of her work as is aimed at peers. She is also a fellow blogger. In a recent post on one of those blogs she argues that humans have been lying to ourselves about plastic. She thinks that the stuff is building up and may well prove disastrous for us. To this point she cites the OECD, which says that the use of plastics doubled globally in the period 2000 to 2019...