Buttons and what they do

See this as a short rant, because it is one. Buttons are conveyors of action, when you press them, something will happen (hopefully). There are many types of buttons and they have different implications for what is on the label and how that relates to what happens when you press it.

For example, a more selection list style of button will display your current selection, while a dead simple button will show what will happen when you click it, right? Well, not everybody thinks this way, the following example show a trend I am seeing in multiple places:

Take these two examples of live video stream site:

They have a different approach to showing the quality, both are currently showing a lower quality stream. Guess which one is flawed?