One thing I can't understand .... the OLCI asks me for my GENDER every time. Hmm, doesn't CX know whether I'm male or female? Or is it the "DR" title too confusing, being non gender-specific?

Yes, I have to enter my expiration date every time. The passport number is there (but sometimes I have to interchange between my two passports - and the system remembers the last one that was used).