They likely already preset views and controllers to react to backend events. If they add an event like "pride" to the backend, the app just has to render the view associated with that event.
Pro-founder does not mean they drop all standards and expectations. I'm not familiar with their entire portfolio, but using the Zenefits case (where the founder is accused of fraud) is a poor argument to support your claim that they are not pro-founder.
I'm not saying they are or aren't profounder. I just think Zenefits is not a good example to use to make sweeping accusations about the firm.
ESPs warm up their ips and prepare them before putting them into production, where they're tasked with sending billions of emails on a regular basis. These IPs used in production are considered "professional grade".