Earlier quoted context omitted.
> being in the office will be how you get noticed and advance in your career That's a classic move. Businesses could offer a significant premium over remote roles to attract candidates, and could easy afford it if you take their in office productivity claims at face value, but that costs money, much easier to make handwavy, unfalsifiable (at least with the information you have as an employee) claims about how you wil…
I think you're attributing too much intent to the process. Monkeys gonna monkey. As you note, you can do things to try to fight our fundamentally social nature, but it's like fighting the tides.
However I know how promotions tend to go in most companies, and 9/10 you are better off interviewing at another firm and getting promoted that way on a hours worked/pay received basis. With that knowledge I see this as a rather empty incentive.