The meaning of the idiom leave well enough alone is:

• to show excessive enthusiasm, to act in an excessive way
• to do nothing because doing something would make things worse
• to irritate someone
• to wield power or authority, especially in a heavy-handed way

"to do nothing because doing something would make things worse "
I guess...

The meaning of the idiom leave well enough alone is:

• to show excessive enthusiasm, to act in an excessive way

• to do nothing because doing something would make things worse
• to irritate someone
• to wield power or authority, especially in a heavy-handed way