I'm not the one you're replying to, but I've worked on software, for far more critical infrastructure than Twitter, that has run unchanged for over 3 decades.

You only hear about the failures. You don't hear about the systems that keep on working.

and to see how you grow as an engineer beyond this kind of uninformed nonsense.

In other words, "grow as an engineer" means "parroting the lies that keep you employed"? As the saying goes, "it is difficult to get a man to understand something, when his salary depends on his not understanding it". And that explains the sad state of most "modern" software.