accidentally; unintentionally; by chance or without being aware of it

unconscious; involuntary; unintentional; done without deliberation or paying attention

without noticing or realizing

wittingly or unwittingly; sometimes used to describe an action that appears accidental but is actually deliberate

to lack meaning or purpose; to be pointless

The speaker has no hidden meaning, but the listener takes the words seriously or feels they are being personally attacked.