I took the ancestor comment to be more about the "3-4 hours a day on social media" than time on a screen doing something like learning/improving programming skills.
Now, if you're spending three hours a day writing your blog and promoting your reputation as a skilled developer that's possibly going to help you. If you spend it surfing TikTok that's almost certainly going to do nothing for you. Though back in my 20s I could waste hours just watching stupid shit on TV.
It's possibly harder now to get a great job offer right out of school, but getting a lot of rejections as a new graduate isn't new either. It used to be a thing for seniors near graduation to paper their living room or hallway with all their rejection letters.
Most people are average. They will end up with average jobs and earning average money. One negative thing about social media is that it makes the top overachievers seem normal, and when you compare their lives (at least as they portray them) to your own it can make you feel hopeless.
>If you spend it surfing TikTok that's almost certainly going to do nothing for you.
On the contrary, it's likely to substantially misinform you and wreck your attention span. That's not very helpful though.