Unless we’re talking about somebody who absolutely trusts you and is earnestly seeking your opinion, you shouldn’t be scheduling in-depth conversations or sitting down for a serious talk. You want to raise questions and plant little seeds of doubt, before they ever realise what is happening, and then you want to fade away before they notice that you’re encouraging them to have heretical thoughts.
[eugyppius.com]
Tactics in fifth generation warfare are like tilling a field, you plant the seeds, hoe the rows and fertilize with as much manure as you need to make the thoughts grow in the minds of the listeners. Unfortunately, truth is handicapped in that it is like organic farming without a steady supply of compost.