user11255: What is the reason? It seems to be to train concentration while avoiding one pointedness?
Might the lack of one pointedness be counter productive at some point?

user11330: Any type of meditation that is worth the name will increase concentration in a beginner. 
The body is a good first object of vipassana meditation because it is inescapable and we identify with it so strongly, so automatically all kinds of thoughts also get faced.

11255: <p>What is the reason? It seems to be to train concentration while avoiding one pointedness?
Might the lack of one pointedness be counter productive at some point?</p>
 11330: <p>Any type of meditation that is worth the name will increase concentration in a beginner. </p>

<p>The body is a good first object of vipassana meditation because it is inescapable and we identify with it so strongly, so automatically all kinds of thoughts also get faced.</p>
