Why in the world would anyone want to spend double the price for the pleasure of going to the work of procuring, then assembling a batch of components that would normally already come as a complete package for less? Furthermore, why would anyone recommend that someone who clearly knows jack about specific components to go to the effort of shopping for said components to procure?

There's a reason Kilo TT gets mentioned in EVERY thread like this. It's the best bike you can get for a reasonable budget, without having to have the experience that goes with reading a forum for a year or more. If someone needs to ask "What fixie should I get", you can be damn sure they'd need to ask about a dozen more questions about component choices. While I find that exercise to be entertaining due to having awareness of the market and options out there, this is simply not a good option for an apparent new rider. Consider that it's not just a question of getting the parts for the bike itself, there's also the question of procuring a tool kit for the sole purpose of assembling a single bike that said buyer doesn't even know if they'll enjoy riding. That's an additional minimum investment of at least $100, and then you have to learn how to properly use those tools. That's all well and good for someone who has "the bug", not so great for someone who seems to know next to nothing about bicycle assembly. Frankly, it can be downright dangerous.