The article is clearly marketing. Advice #1 is effectively just saying "don't suck". Obviously you should be producing good, useful, readable, and maintained code. That's not the path to getting noticed, but more like a prerequisite for not getting fired.
Which the author apparently did not follow. Why does this need 3rd party JavaScript just to display the background behind the source code example? With uBlock Origin, it's white text on white background...
And in line with my impression of that article, here's the "amazing" jobs that wait for you when you succeed with TripleByte's advice: https://triplebyte.com/jobs
It's all about becoming a tiny cog in a big machine.