Yep. And a lot of the modules and sensors are designed to prevent people from getting into accidents.

Funnily enough, the professional labour is the most expensive part. Professional repairers can get discounts and rebates on the parts, but at the end of the day, qualified and experienced technicians need to get their hands dirty to repair what needs repairing, replace and recalibrate what needs replacing and prep, paint and install the bodywork.

Your YouTube guy makes money off YouTube that subsidises the labour, which makes him repairing write-offs worthwhile.

This doesn’t work in all markets. For some jurisdictions, once a vehicle has been written off, it cannot be registered for road use ever again. Some let any vehicle get registered for road use; most countries are somewhere in the middle.