To be fair immediately above the point you mention it says "... The Tesla battery is optimized for nightly charging: topping off frequently enhances the longev

To be fair immediately above the point you mention it says "... The Tesla battery is optimized for nightly charging: topping off frequently enhances the longevity of your battery." So though I agree that the author has a good argument he should have mentioned that Tesla does advise nightly charging albeit for battery maintenance rather than to guard against charge loss.