That's a great question.
You can learn a lot from any given scenario in the Torah, by pondering why it's placed where it is, surrounded by those that are written immediately before and after it.
As far as "why" is concerned ... I don't have to tell you who you'd have to ask in order to find out for sure.
The Torah (the Five Books of Moses) is written in Hebrew. The Jews preserve the unchanged Hebrew text in their Torah scrolls. When you encounter the Torah in any other language, you're reading a translation. Other information The Talmud, which contains the Oral Torah is written in Hebrew and Aramaic.
The Torah is written on parchment with ink
The Torah is always now written in Hebrew. Long ago, the Torah was written in Aramaic, which is the ancestor of Hebrew.
F. Simpson has written: 'A series of ancient baptismal fonts, chronologically arranged'
The Torah is written ... and read from ... in Hebrew.
Chronologically means in order by time.
The Torah was dictated by Gcd and written down by Moses. Once Moses died the Torah was "sealed".
Deuteronomy 33:4.
The Torah was and is written on parchment scrolls.
The Jews' rules come from the Torah. The Torah consists of two parts: the written Torah and the Oral Torah. The Oral Torah is the laws and traditions handed down by the Sages, which are today contained in the Talmud. The Talmud explains the details of those commands which the written Torah states briefly.
Parchment.
Kosher ink