Thanks for reply.

1. I can see that it is old but still dangerous. “RESET” means to come back to normal/previous to me. It is not resetting but deleting original settings.
Maybe you can change the wording to “DELETE”. Just suggestion.
2. Thanks for taking this serious and make improvement.
3. Thanks, I thought I can understand it with images but I can’t. And some links are broken. Like
This is the sentences which address to this link.
Read this post for more details about changing WordPress user roles directly in the database using SQL commands.