(1) What is most important to you in a FFP?
long (at least 3 years) soft expiry, easy to get short haul economy award
(2) How many miles do you usually fly each year & in what class? How many flights/sectors?
<10 k, most probably 2 - 5 k, about 2 to 6 sectors, on all alliances combined
(3) What types of fares do you usually buy?
cheapest cabin
(4) Can you choose your airlines and/or class of service? Do you travel for work and/or pleasure?
For international sports competition
(5) Which routes and airlines do you fly most often?
Short-haul routes on Non-Hong Kong based airlines from Hong Kong
(6) What is your home airport?
HKG
(7) Do you have FFP status of any kind in OW or other airline? What is it? Do you have any miles banked in a FFP?
none
(8) Preferred Airlines? Most common Airlines flown on?
Any non-Hong Kong based airlines are OK, just avoid CX/KA/HX/UO

When choosing flights my only concerns are time (non-stop flights are preferred) and price (always cheapest cabin unless higher cabin available in less than 10% premium)

Moreover, due to my mistake I entered a non-alliance FFP during booking into my Finnair long-haul flight taken in July, which I only found out the non-recognition after a month. I tried BA but it only allowed me to claim its own flight retroactively, but not partner's flight.