Especially in this new era of AI assistance - these leet code problems with clear definitions and repeated online solutions are becoming less important to solve from memory or study.
This comment makes it pretty clear you don't use tiktok or have a very clear understanding of its content. A huge portion of content is political, and especially divisive. People are constantly targeted with content that either reinforces or insults their more extreme political beliefs. This is exactly how personal data is being used against individuals - to target divisive political content and maximize political angst. It's clearly working.