And to me this extremely weird. At least in restaurant or hotel or whatever. I have gotten the service when I decide to tip or not. But setting tip before deli

And to me this extremely weird. At least in restaurant or hotel or whatever. I have gotten the service when I decide to tip or not. But setting tip before delivery? What if they failed to pack fragile item properly? I could understand asking it for later, but before I have seen result of the work is pure insanity...