Women are part of klal yisroel, why shouldn’t they have a chelek in Talmud Torah? It’s everyone’s yerushah.
Well, since that squarely conflicts with chazal, it is wrong. However, your logic is compelling so you are left with several options:
1. They aren’t part of klal yisroel
2. Only some people in klal yisroel get the torah
3. They get their chelek through some other means (the men in their lives).
I suppose if you think choice 3 (which the gemara says) is impossible, you are left with only choices one or two. So you pick.
2.