It's not required, but the idiom is generally used. It's less a distortion than a limitation of what's revealed. If anything, it's obfuscation by omission. Although, no outright lying.
Sources tend to be logically attacked as opposed to content.
You can get so busy that you don't have time to think. It's the member's responsibility not to get in too deep. Members are not allowed to take notes in some meetings. Some information is not allowed to general group. Some information from Leo is being released to women only.