I'm going to push back on this a bit, though I agree with some of the sentiment.; to the average person wanting to lose weight, I think the best advice is obviously to eat less via whatever diet works for them (I personally recommend counting calories, but it's not for everyone).

That said, you write:

> Yes, and there are few such people. Extensive athletic physical activity, becoming an athlete, are at odds with working an office job.

First of all, office jobs are probably dominant in the industry, but there are still lots of jobs that aren't office jobs, and you seem to be excluding all of those.

Secondly, I know plenty of people with demanding careers (e.g. doctors), with kids, who nevertheless train for marathons and run almost every day. There absolutely are people who exercise enough to make a meaningful difference to their caloric expenditure.

> It absolutely is useful. Becoming an athlete or doing extensive athletics takes a huge time commitment. Eating less does not.

I'll reiterate that I agree with this and this is the correct advice for someone who wants to start losing weight. I just wouldn't discount the many people who do also exercise to the point of it making a difference.