The other advantage? It's generally faster /easier for someone to type something like "bolt vat frisky fob land hazy rigid" than "d07;oj7MgLz`%v,". At least it is for me.
It's easier on keyboards (since we spend most of our time typing lowercase letters as part of text) and also on mobile (since you don't need to do annoying and error-prone context switching for capital letters or symbols).
I think this is one of the greatest unspoken benefits of Diceware-style passphrases!
I think this is one of the greatest unspoken benefits of Diceware-style passphrases!