70-72F or whatever is the top end of the yeast's range. Since they only have a little priming sugar to work on, you don't have to worry about off-flavors.
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