[gasbag]

That's a lot of accounts and a lot of passwords. You'd probably want to use a password manager. These kinds of passwords still have the advantage of being easy to hold in short-term memory, so when your password manager is on a different device than the service you're trying to use, you can look it up once and type it in rather than having to look back and forth between the two for that 16-digit number.

[jjeaff]

I think that's his point. The strategy of memorable passwords is not viable. You still need a password manager. But I agree that spellable, pronounceable passwords are helpful when you need to type on in.