There really doesn't seem to be rhyme or reason as to who remembers you and who does not.

Some places where the front desk remember me every time I arrive to check in include the Shangri-La in the Beijing Kerry Centre and the Hyatt in Santa Clara.

Other places that I use almost monthly who seemingly refuse to recognize me include places like the Singapore Hyatt and the Austin Hyatt.

I don't know why, but it is always nicer to be treated like a real human once in a while rather than a burden (cough, Singapore).