I'll pose a question to people. . What % of premium passengers these days do you think even care about getting an amenity kit?
I always wear the socks in PE/BP but my feeling is that the number of people who do has reduced significantly over the years.
I have a few All Birds masks which are great so never need an eye mask. I have my own ear plugs because the ones they have supplied in recent years are literally unfit for purpose.
Would they need better off just having the toothbrushes in the bathrooms like airlines used to offer and then everything else on a self service shelf somewhere?