Yes. And I've never once run into issues with redundancy of information being a problem. It's the clever things people do to hide information or to be concise that reliably get them confused.
> The closer you can get to the whole UI being a single sentence and two buttons the better.
Sure, but this is kind of my point—clever UX tricks to communicate things without words don't work for them. A toast is valuable for the tech-illiterate precisely because it uses English text to communicate its point, and having it exist in the same spot for every action makes it easier for them to pick up.
It's not the be-all end-all of UX design for the elderly, but it's a heck of a lot better than the alternatives proposed in TFA.
> The closer you can get to the whole UI being a single sentence and two buttons the better.
Sure, but this is kind of my point—clever UX tricks to communicate things without words don't work for them. A toast is valuable for the tech-illiterate precisely because it uses English text to communicate its point, and having it exist in the same spot for every action makes it easier for them to pick up.
It's not the be-all end-all of UX design for the elderly, but it's a heck of a lot better than the alternatives proposed in TFA.