Self checkout lines. Dealing with interactive voice menus. Waiting on hold. Whatever.
It's like any time support doesn't fall neatly into one of several predefined buckets the burden of dealing with any ambiguity falls onto the consumer.
Maybe it increases their profits. Maybe it decreases our quantifiable costs. But it's exhausting.
It's not directly analogous but software folks often talk about the merit in using external libraries for anything that's not a core business concern. But I'm curious what grocery stores or airlines would consider their primary business. Are they in the service industry or are they trying to just be food or airplane logistics players who lament their current requirement for a customer-facing physical presence.