I have used the fork lock a couple times just paranoid more than anything for where I was. Unplanned stops where conditions stated next lodging ,I dont care what it is.
Given the choice though I park at my room window or where the front office is.Considered a disk lock and read a story where the guy forgot to unlock it before taking off. The damage was crippling. Then I have a buddy at work where someone hit his bike with the disk lock on the front wheel. What could have been a tip over turned into massive front end damage.
Do what makes you comfortable,my plan B for that is I have enough to get home and insurance....and a really f***ed up attitude if I see someone trying to take my precious