When you are submitting the data to a governmental organization, which must be about the safest place to send the full statement without editing.
If editing there is risk of rejection, loosing 10.000+ Baht, og need to send the statement as additional document, which lead to a longer visa process.
In Thailand a decision is final, when the officer has made the decision, it is not up to debate, so you will not gain anything by asking why, since that may make the officer “loose face”