Help says:
but UI shows only:
Workaround: the checkmark shown.
23.70 Help "Show folder sizes" incorrect
Re: 23.70 Help "Show folder sizes" incorrect
If I understand what you mean, the Help file is correct but there may be confusion around the fact that the wording is different. "Show Folder Sizes" in your first screenshot equals what is enabled (checked) in your second screenshot - "Always show folder sizes".
Windows 10 Pro 22H2