You say it yourself, using your common sense a bit, you also keep Alzheimer's out a bit
Come on, it has been more than 50 years since humans landed on the Moon, and in the meantime, they cannot learn a tiny bit of English.
Do you have any idea how many here are not fluent in English, but they still know how to find their way here.
No, I don't think it's an excuse, it's a matter of wanting and trying.
Just turn on the TV and you will be inundated with English, but I don't say anything about the computer yet