Warning Against Roof-Mounted Solar Panels

What happens here

Following his recommendation for ground-mounted solar, the electrician issues a strong warning against installing solar panels on a roof. He advises, 'I don't recommend you putting them on your roof. I don't recommend you going up on your roof.' He explains that modern solar panels are 'very heavy' and 'not easy to do' (referring to installation), implying significant safety and structural concerns associated with rooftop mounting.

Goal: Understand the electrician's strong warning against roof-mounted solar panel installations.