There are disciplines that have been teaching concentration for hundreds of years that produce people who can concentrate at will under pretty much any circumstance. To teach beginners they choose a very quiet, distraction-free environment.
Your advice seems to advocate throwing people into the deep end and taking a sink or swim approach. Train people to concentrate until it's something that's familiar and available to them on demand, and then they can do it in the face of distraction.
That you managed to make it work the way you did is great. Some people may have much more trouble than you did in similar circumstances.
Your advice seems to advocate throwing people into the deep end and taking a sink or swim approach. Train people to concentrate until it's something that's familiar and available to them on demand, and then they can do it in the face of distraction.
That you managed to make it work the way you did is great. Some people may have much more trouble than you did in similar circumstances.