I agree with you if the attention you are implying is focus. I think we draw to us things we focus on, good or bad. I have been meditating off and on for over 15 years and perhaps many of us have been daydreaming far longer. Daydreaming is similar to visual mediation. I find value in silent-non- visual and visual meditation. I find value and get results with 10 minutes or hour long meditation. Some of the results I have gotten are good physical health, sound mental health and goal attainment. Any more than an hour and I run the risk of taking a nap or sleeping.