I am still in the corporate world which is known as the rat-race. I notice that the co-workers are concerned of the corporate rank held by others. During the promotion month, I note that one of the co-workers will check whether the other co-workers are promoted. This co-worker will go around about asking the co-workers whether they are promoted. When some of the co-workers indicated that they are not promoted, he would raise doubt on the response of the co-workers and re-questioned on whether they are telling the truth. I feel that this is not necessary and this co-worker can work harder if he wants to get promotion. That be said, one might not get promotion even if he work harder. Promotion will also depend on other factors. I note that this co-worker does not want to work harder and opt for currying factor approach towards his superiors.
My personal take is that there is no need for this co-worker to do so. To each of their own.
I adopt the low profile approach in the corporate world and have the option to quit at any point of time.