But within the same example its not as good as if you ate the exact same meal freshly served - things won't be as hot and certain textures will be lost in delivery (eg crispy things going soggy)
You mentioned a chef which is less specific but I generally consider restaurant food less healthy than what I'd cook for myself due to differing incentives which is another dimension for convenience
Indeed, but that's a different choice than the original. If leaving my house isn't an option for me, the subsequent options entailed are then off the table, so to speak. The OP said "always" and "in every way", and I was pointing out that there are many exceptions, depending on many factors.
You mentioned a chef which is less specific but I generally consider restaurant food less healthy than what I'd cook for myself due to differing incentives which is another dimension for convenience