I think this is the opinion of someone who thinks about personal security (like many on this site) and would prefer not to use Facebook marketplace. From observing many of those around me, this is an uncommon concern. Facebook marketplace is insanely dominant, and nobody cares about inviting people to their house. They would rather invite someone to their house than have to drive to GameStop and drop off their stuff in exchange for losing money on gas, losing time, and losing a cut of the sale price.
I've never used it myself but I've helped out a family members with Marketplace sales before - go and be their nominal "back-up" when they meet the buyer in a local car-park.
