someone needs to do work to get anything

The issue isn’t that someone needs to do work, it’s that some people are forced to do more than their share of work so that other people can do less. There’s a class of people who get money without having to lift a finger just for owning stuff (land, residential buildings, companies, etc.). When there are people who get money without having to earn it through work, that means there must be other people elsewhere in the system who are paid less than their work is worth. And there’s not a damn thing they can do about it, because the owner class can simply refuse to pay them more, so the workers’ choice is between being exploited or starving. The workers can’t just go and find some land to claim as their own, it’s all owned already.

I can’t think of an application where a nail is better. Sure, sometimes a nail will do and there’s no need to use a screw, but that doesn’t make the nail better, just cheaper.

Screws genuinely are better fasteners than nails, though…

I have rss feeds that’ll let me know if any of the coins I own spike for some reason.

Ooh, that sounds handy! Mind if I ask where those feeds are coming from?

Technically yes, but in practice any gains are going to be counteracted if not outweighed by the electromagnetic noise from the fan’s motor. To avoid that interference and see any real improvement in your signal strength, you’d have to either use a fan with a shielded motor (the last such model went out of production in 1953, so good luck finding one) or a fan driven by an alternative power source such as a water wheel.

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That’s what this meme about ‘sigmaposting’ is poking fun at. The sigma wolf is supposed to be the lone wolf who doesn’t need nor care about anybody else, and for some reason some people look up to that as an ideal to pursue. But wolves are social animals, so in reality the lone wolf is a failing loser.

Yes, but by other companies. Those problems are not created intentionally in order to create and exploit a market, they’re just consequences of those other companies doing business. Pretty much the only example of companies creating problems so that they can sell solutions I can think of is free-to-play games (e.g. make game excessively grindy on purpose to sell boosters). Some of that scummy monetization is now creeping into real-world products, with things such as subscription-based heated seats that are installed in your car regardless but disabled unless you pay up, but the vast majority of products and services on the market address problems that were not created by their manufacturers/providers.

Do you get more science or less if you use a baseball bat?

You can apply a matte finish yourself with a piece of fine sandpaper.