For a beginner, you're right: it is dumb to spend more than $300-400 on a guitar, 'cause you never know if it's gonna be worth your time, or if you're even going to keep playing it for more than a week or two. I cut my teeth on a $350 Schecter, and I still play it to this day.
However, if you are claiming that it is never worth it to purchase an expensive guitar, there are some facts that you are completely ignoring:
1 -
The type of wood the guitar is made of has a large effect on its sound. Expensive guitars tend to use nicer-sounding woods. If you can't hear this, then the problem is your ears, not the guitars.
2 -
The pickups and electronics the guitar has in it have an extremely large effect on its sound (assuming we're talking electrics). Cheaper guitars use cheaper pickups, which usually sound pretty awful compared to nicer pickups. They also skimp out on electronics, leading to bad buzzing/humming, scratchy pots, broken wires, loose pots/cable plug-ins, and all sorts of really fun stuff that stems from the incredible lack of detail that most cheap guitars suffer from.
3 -
The hardware makes an enormous difference in playability and durability. Cheap guitars skimp as much as they can on things like tuners & bridges. Sometimes cheap tuners can make it very hard to keep the guitar in-tune. Cheap bridges can lead to multiple problems, including poor tuning stability, string breakages due to cheap saddles, poor adjustability, and in the case of floyd rose licensed tremolos, very low durability. Many expensive guitars use much nicer parts that avoid most-to-all of these problems.
4 -
The fit and finish, and attention to detail, that you can find in many higher-end guitars puts 99% of the cheap knock-off guitars to shame. Poorly shaped frets, incorrectly cut nuts, poor neck-body attachments, crappy neck radii, etc. Play an incredibly nice custom-shop guitar in the $1500-3000 range, then play almost any guitar under $500: if you don't feel the difference, the problem is you, not the guitars.
That said, there are some "diamonds in the rough" that kick the shit out of most other guitars, and the price of said diamonds can be all over the board. You could play 20 of the same make/model/year
Fender Stratocaster and there will usually be one or two that stand out above the rest, even though they were made in the same fashion, at the same facility, with the same tools. A better revision of your statement is that
Price doesn't necessarily correlate with quality. You can find incredible $100 guitars, and incredibly mediocre $4000 guitars. However, claiming that there is
NO general relationship between price and quality is very much incorrect.
Also, just an FYI for you, ripping on experts in any field makes you look like a jackass, and sound like an infomercial. "Don't listen to the experts, they're all in it for themselves!" Dude, we're talking about guitars here. People don't become experts in this field (or most others) to rip people off, they do it because they love the field.
In reference to your "never support local shops" statement, you are just succumbing to what's wrong with the majority of Americans: the mindset that "everything should be easy and cheap, and anything that saves me time or money is a good thing". It's complete fucking bullshit, and it pisses me off. If you follow this mindset to conclusion, the absolute best life you can have is to sit in a hundred-billion-dollar mansion by yourself, literally never ever move a single muscle, eat out of a tube directly pumped to your stomach, and just be entertained by TV all day. This may seem un-related to your suggestion that "helping out the local businesses is wrong and stupid", but take five minutes and ask yourself why you hate helping other people, and you'll see what I'm talking about.
All of this said, I'm sure you're a complete fucking moron, and will do your best to fit me and my suggestions into your warped view of the world, and there's nothing anyone can say to change your mind, and that's fine. If I helped one single person get set on the right path, and see your ridiculous post/rant for what it was, I'm happy.