Jetcareers is social media and @derg is an influencer, perhaps the original aviation influencer on the internet.
The question is, really, what turns someone who just wants to show people the cool thing they do into someone who prioritizes likes and subscribes above literally all else.
I would suggest that it's addictive personality behavior and the algorithm is the heroin.
Well I certainly hope Jetcareers reads like ‘If you want to do it, this is how’ instead of “Look at me, LOOK WHAT I DO! Watch me dance! [SELFIE][SELFIE][SELFIE]”