We aren’t re-using grocery bags right now, or dishware on airplanes – everything is moving towards single use because we’re in the midst of a global pandemic. Hotels need to recognize that and take it seriously and end this ill-fated experiment with getting guests to re-use each others’ shampoo.
I’m not suggesting environmental considerations aren’t meaningful – they just point towards single use biodegradable packaging, which have been in some hotels for years, not communal use.