For one company I interact with it makes sense. It's a situation where they're taking several different software and hardware products and integrating them into

For one company I interact with it makes sense. It's a situation where they're taking several different software and hardware products and integrating them into a single stack that has even more variables of deployments in the field. What's more, the installations are all on site, not easily changed out due to security policies, and any downtime will impact revenue. Dedicated testing teams make sense that do a lot of manual testing makes sense. That said I don't know if that situation is unique or the norm out in industry.