Life In 19x19

But now that white has the good shape, locally, just play somewhere else. White already has good shape there, so there's no need to keep playing locally.

The response to the shape issue does make sense, but if black does that and plays somewhere else like M17 why exactly isn't black worried ...

So this is a bit of silly question and apologize if this is wrong place for this, but I've had this pattern in a couple games and was wondering what the proper response is?

https://lifein19x19.com/download/file.php?id=14279

Game wise I played this, but for some reason it feels like a mistake, or ...