It's not really conducive to communication to fill in the blanks like that, even though any person in someone else's work story could be one of Them walking among us... ;)
He was incentivized to hustle harder, until incentives were stripped, out of spite.
Just about every week I comb through my inbox unsubscribing from all the companies' mailing lists that I most certainly did not subscribe to.
I don't mean some trading-only companies like Cargill who have extra prostitues budgets (at least 5 years ago that was true, and with expensive alcohol parties was the only way to do any business in places like Russia or most 3rd world countries). I mean any kind of bigger corporation. Banks have it. Any kind of finance business does. You won't get far without it.
There are obviously rules, but often they go the other way - employees shouldn't accept bribes in forms of these gifts. But getting clients, that's a free for all, the winner takes all (and biggest bonus).
Just want to call out that the multi-million dollar salespeople I know wine and dine their spouses and friends far more lavishly than their clients. The people being sold to, similarly, aren’t alien to fine dining. For two people who enjoy that (versus a baseball game), it can be a genuine way to bond far from bribery. Gifts, on the other hand, yes.