Yes it is good to be aware of the pitfalls and potential problems. But the best way to become aware of them is through reading articles or books, like you were doing. When you become aware of it through hearing someone else’s traumatic horror stories many people get much more worried, and its much more graphic. All that is necessary is the yedioh.
As Rashi says: “משל לחולה שנכנס אצלו רופא אמר לו אל תאכל צונן ואל תשכב בטחב בא אחר ואמר לו אל תאכל צונן ואל תשכב בטחב שלא תמות כדרך שמת פלוני זה זרזו יותר מן הראשון” – sometimes this extra ziruz can be harmful. In Rashi’s case there is some concrete hishtadlus which can be done and which will solve the problem. If there is no definite problem it will just cause worry, as your article warns