I hear you, and I agree we definitely bear some responsibility for our actions, so it seems fair to question it.
However I really do wonder how much choice we have. Ultimately what I am going to say next comes down to believing the market is actually inefficient and prone to mistakes / manipulation.
While we can buy a gas guzzling car or a smaller greener vehicle, there is a lot of time energy and effort spent to manipulate the perception of the smaller vehicle so that its seen as less attractive to purchase, as well as less attractive to make.
More deeply, I'm not totally convinced that changing an individual to act ethically actually changes the group dynamic or consumption habits. Because by stating we have a responsibility to make ethical choices as a consumer we assume people act rationally all of the time when making purchasing decisions, which really isn't the case otherwise marketing wouldn't be effective. Finally, companies don't really respond to individuals, they respond to groups of people that fit their ideal customer profile. These groups likely have a different set of ethics than us and likely will not change to fit a different world view, at least in aggregate. Individually, sure, but not the whole group.
Maybe more succinctly, I believe there is a real distinction that occurs by looking at group dynamics which cannot be inferred or changed at the individual level and because of that choosing to act ethically as an individual wont ever get the attention of billionaires or massive corporations.
Not trying to be argumentative, I live in the same way you describe, but ultimately I don't think its going to change how apple operates. No matter how many people I tell.