I know a couple pros locally who are using dairy equipment, but we are talking 5-10 barrel. I haven't seen a milk can in 40 years.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk