When you give an opinion or advice, others see thiss as a statement of fact in direct opposite of their own opinion and start getting squirrelly.
In a society where tolerance is being enforced rather than encouraged, we are becoming less so.
Having a difference of opinion means you have thought about it and thinking is dangerous. Coming to conclusions that goes against the flow, especially so.
So, it's not the what the recipient does with advice or opinion that is the problem, it is that advice or opinion is being offered. If that advice goes against the flow, it shorts out the listeners brain.
People very rarely look past the cover if a book. If you offer to show them the contents, it's too much for them.