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They are using the photos below as a proof of Chaeyoung's slacking. While other members jump high, Chaeyoung's feet, netizens argue, barely leave the ground.

Here is the same part of the dance in GIFs (different performances): 

You  can see Chaeyoung not jump high during these stages. Now let's take a look at some of the comments from netiznes:

"It's not good to see this. There are girls who didn't make it on 'SIXTEEN' so shouldn't she work hard for the fans who voted for her instead?" 

Other comments: 



"When I see her and see other trainees like Jeon So Mi who didn't make it, I feel sad. Just take So Mi. She had to go on 'Produce 101' at such a young age, and other trainees have to keep training with no promise of a debut. For their sakes, I wish she would work more happily and diligently." 

"Jungyeon jumps so freaking high. I love her so much lol. Seems like Sana, Jungyeon, Momo, Tzuyu jump high. Nice girls." 

Other netizens defended Chaeyoung: 

"Chaeyoung is short so she has to wear the highest heels to be closer to tall members...Tzuyu and Jungyeon can wear flats but Chaeyoung is wearing at least 4-inch heels, and it's impossible to jump with those on."

"People have different jumping abilities lol Sigh...Can't believe they're talking about her character with how high she jumps." 

What do you think? Does it seem like Chaeyoung is slacking compared to other members or is this yet another silly netizen observing idols a little too closely?