Laughing at somebody who is doing something "cringey" is one thing. Making a video specifically to scrutinize this person while encouraging a large group of people to also laugh at them is, I would argue, definitely bullying.
This is a good point, as I am not a doctor and should not make diagnosis for people.
Sure, not every one of Leafy's targets made a video of them crying. Do you honestly think that means that they were all okay with Leafy's videos of them? While it's true that I cant exactly speak for them, it doesn't take a huge leap of logic to assume that people generally don't like being openly mocked by potentially a million people.
Additionally, as much as I am loathe to say, "Think of the children!", think of the fucking children. Looking at Leafy's uploads, a fair amount of them have thumbnails of kids. Kids don't deal with with this kind of thing well. Bullying by a few people can have lasting consequences in their life. Being ridiculed by a large group like Leafy's fans (who have demonstrably been known to harass people) could really fuck them up. I am reminded of the kid who played Anakin in Star Wars, or that viral video of that one guy flailing about with a stick as if it was a lightsaber. You look those people up now, you'll find that their lives have been borderline ruined by the treatment they got.
This kind of thing absolutely effects people in a very negative manner, whether you specifically see it in action or not.
As a matter of fact, I did.
You're experience is not everybody's experience.
If somebody tells me to get cancer and die, I don't care. However, let's look at the from the perspective of a hypothetical person. His name is Bob.
Bob's mom is dying of cancer. It really sucks and he decided to play a video game to get his mind of it a little bit. He chooses League. He's not doing so well, so his teammate tells him that he deserves to get cancer and die. Bob is now very upset and it's going to ruin his day. He did not choose either of these things. His specific circumstance, couple with the things said to him, created an emotional response that he does not have control over. He can't just decide to get over it. That's not how emotions work.
I know that this is a somewhat extreme example. Understand, I'm not asking people to tailor their speech in such a way that avoids the possibility of anyone ever being offended. However, when we allow, "Get cancer and die" to be an acceptable thing to say, it becomes the norm. It's going to keep happening. The more that people decide that it's not okay and speak up, the less impact it'l have on the internet in the long run.
It's why seeing videos like the kind that Leafy makes upsets me. Fuck, I don't want they guy to lose his job or anything. I just want him to be a little more considerate. To exercise more tact.
The key words.
Most people consider satire as something that makes a point, not making fun of someone for the sake of making fun of someone.