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But The Plants! All the plants would die. In fact, the ridiculously negative carbon equilibrium so established would SUCK THE CARBON FROM OUR VERY BONES! (Carbon is a relatively major component of bone tissue, the calcium phosphate component aside.)
While some of these product distinctions are due to things like differing tax treatments for different types of investments, most of these things basically boil down to banks attempting to differentiate their products and because different models give different values to certain types of investments.
For instance, there is no inherent theoretical reason, according to the conventional risk-return gaussian models, why bonds should be treated differently from stocks with a suitably adjusted risk premium in the expected returns. But in actual fact, these things are very different: Bonds have a guaranteed return, and stocks could lose significant quantities of their value in a severe market downturn.
For that thing, it's actually a good reason we have all these different types of investment products, because they do have different risk profiles, and to maximally reduce your specific risks you'll want to load up on some and avoid others. It's when someone starts telling you that 'this high-yield investment is just as safe as a government bond' that you should get suspicious.
Google just wants people to use their search and click on their ads on phones
They want both, and the two are synergistic.