No, what he is saying us if you charge to 100% don’t leave it there, try and keep it below that figure and don’t run your battery down under 20% as tgat can effect the longevity of the battery.
Agree – only charge to 100% if going on a long trip but don’t leave the battery at 100% if your cars sitting on the drive doing nothing for a week or two.
Keeping the battery between 20-80% has always been good practice if your taying local.
Most EV batteries have a buffer anyway so the battery won’t be 100% full anyway and managed by good battery management these days.
However its allways best to follow the manufacturers guidlines when charging due to the different chemistry of batteries seen in EV’s these days. For example – A LFP (lifepo4) can tollerate been charges to 100% buffer zone but a NCA battery can’t!