Fait enough, liners did work before locators and still do, but since I stopped using a liner I haven't had to dig a whole run to dig out a snagged hob.
Perhaps they went to the shop for a paper and decided to nip to the pub for a quick half and chicken in a basket, at least they're not banned from your local.
I always take water, sometimes they drink, sometimes they don't, I keep to the same routine all the time, you never know when the sun may warm up your carrier.