So long as there is trust there will always be loyalty. If ones trust is broken then loyalty to that person or thing will no longer exist. You trust a certain brand not because it can do a certain thing better, it is because you trust it will do you no harm. You trust a certain person because you know he will have your back.
When it comes to brand loyalty, I think it should be thing of the past. Most alternative product will do the same thing but at a fraction of the cost then why would you want to continue with that brand when it only want your money. Sometimes it is just a habit and you need only to break free.
I agree that trust is a big part of loyalty. Consider this: it is much easier to trust something/ someone if you do not have many options to choose from. This is where freedom plays a role, because with freedom we now have an abundance of options and choices, so our loyalty is tested more so than perhaps ever before. When there is no freedom, then there are no choices then it's much easier to be loyal. Let's look at a country like Venezuela. citizens of that country have little freedom, few choices, so of course they will be loyal to certain products/people. But you are correct, there are instances when people, even when presented with many different choices, will stick to that one tried-and-true product. But even they, I think, will start to contemplate other options if that product begins to falter or stop serving that person's interests.
Maybe without freedom of choice means you just go with the flow until such time you are free.