I think he means the whole sentence. Deep cycling bad.
Deep cycling isn't generally "bad" for lithium packs. It will kill NiMH packs and shorten the life of SLA packs a lot, but lithium cells tolerate deep discharges well, provided the pack isn't left at a SOC in the single digits for long. Leaf drivers have noted no correlation between using most of the pack's capacity and pack life. It's letting them sit at a high SOC for long periods, leaving them hot, and charging while hot, that shortens life and decreases capacity. So if you need to go from 95% to 10% often, go ahead. Just recharge as soon as you are done driving if it's at 10%, and try to avoid leaving it at 100% indicated (~90% actual).