Not every property needs the same posture. The decision comes down to guest profile, location, hours of operation, and what ownership is willing to project.
Unarmed guards cover the majority of hotel posts. A boutique Shore property running seasonal weekend coverage needs access control, disturbance response, and regular checks on the pool deck and parking lot. A full-service business hotel typically wants an unarmed overnight post in the lobby with vehicle patrol covering the garage. An extended-stay or multi-building campus is a patrol problem more than a post problem, with perimeter and building-to-building routes doing most of the work.
Armed coverage makes sense in narrower cases. Luxury and high-profile properties hosting VIP guests, properties sitting on a nightlife corridor with a documented incident history, and locations where ownership has already absorbed a serious event are the situations where an armed post is the right call.
The honest answer for most operators is that the posture should be recommended after someone walks the property, not chosen from a brochure.