I made a mental connection between the video in the link and this quote How to Think Like a Roman Emperor. The context is the masses enjoying gladiatorial games but Roman Emperor Marcus Aurelius (a Stoic) disliking them (bold added, italics in original):
Marcus came to loathe all such public events, but he was obliged to attend them at the insistence of his friends and advisors. He seems to have found unnecessary bloodshed vicious and barbaric. Indeed, as emperor, Marcus began to impose many restrictions on the cruelty of the games. He insisted that the gladiators before him use blunted weapons so that they would be fighting like athletes, without any risk to their lives. The thrill of the chariot races was likewise about bloodlust, as horses and charioteers were frequently maimed or killed in this dangerous sport. Marcus tried to see beyond the excitement of the crowd. He adopted a more philosophical attitude to the events unfolding before his eyes, asking himself, Is this really what people consider fun?
For Stoics, feelings of pleasure in themselves are neither good nor bad. Rather, whether our state of mind is good or bad, healthy or unhealthy, depends on the things we take enjoyment in. Marcus compares Roman society to the idle pageantry of a procession, where people seem distracted by trivialities, but he reminds himself that he must take his place in it with good grace. Nevertheless, a man’s worth can be measured by the things upon which he sets his heart.5 Enjoying the suffering of others is bad. Taking pleasure in watching men risk death or serious injury would therefore be considered a vice by the Stoics. In contrast, enjoying seeing people flourish is good. You might think that’s obvious; however, we can be blinded by pleasure to its consequences for both others and ourselves. Marcus had been taught by his Stoic tutors to examine the sources and consequences of pleasure very closely. He was therefore able, to some extent, to see beyond the prejudices of his own culture. We should likewise learn to enjoy things that are good for us and others, not things that are bad for us. Indeed, there’s a type of inner gratification that comes from living consistently in accord with our deepest values, which can make ordinary pleasures feel superficial by comparison. Marcus has that in mind when he repeatedly tells himself that the goal of his life is not pleasure but action.
There is lots of social encouragement to find certain things pleasurable, and rather than examining the sources and consequences of pleasure, people take whatever they pick up from society as a given. This is the case even when their pleasure contradicts apparently obvious things like “Enjoying the suffering of others is bad.” (To give a different example besides Roman games and messed up sex stuff: I found it weird that people would laugh so hard at those “funny home videos” shows when the videos seemed to portray people being injured, especially when children were the ones suffering. What’s funny about that?).