Why was there never an anti glare option for the 13 inch? If there was, can you please tell me?
We cannot tell you.
You are not addressing Apple here but rather other end users. Apple will not respond questions posted to this user-to-user forum, including those that go outside the Terms of Use we all agreed to follow when signing up here.
If you wish an Apple employee to see your concern, I invite you to use this feedback link:
Feedback - MacBook Pro - Apple
Do not expect an answer. Historically, Apple have seen little need to explain decisions they make.