It's not your product to design, in this case you don't get to decide how it's presented. You also don't get to decide the design of iOS, or how Apple designs its next processor, or what color Stack Overflow's logo is, or the design of Wikipedia, or what resolutions YouTube offers, or what algorithms Google uses in its search product.
Why are a series of 1s and 0s this companies property or that person's property other than because society declares them to be so? If they can declare who owns what then that declaration can change
Edit: For example, if steam boat Willie was still under the copyright laws that existed when it was created, it would be society property now. Because the rules were changed, it's Disney's property. If "property" can be taken from society by companies, then the reverse can happen as well
But for your information, I can and do run userscripts, custom ROMs, jailbroken firmware etc to change the exact sort of thing you spent the second half of your post talking about. You sound like you have a very boring consumerist relationship to technology and the opposite of a hacker ethos.