Elasticity of demand is an economic concept which demonstrates how demand is influenced by numerous external variables. For example, when price goes up, how does this effect demand? This can also apply to things such as individual political factors, in addition to prices. Gasoline is generally considered to be a fairly inelastic variable. Generally, if gasoline prices go up, people still have to buy gasoline in order to get to work or pick up groceries and generally survive. There aren't really many meaningful alternatives that don't take significant investment. The primary one is electric vehicles, something which the left very much supports so yeah the "American Liberal" does tend to dislike gasoline. We also cannot choose where we get our gasoline from. In fact, I'm not sure if there is any way to know where a specific gallon of gasoline originated. I guess I could ask the gas station if they have documentation, but for obvious reasons, no one is doing that...
On the other hand, fast food is pretty elastic. There are ample other options, both including and excluding fast food. The cost of avoiding Chick-fil-a is extremely low, and the visibility of the bits of it that people don't like is pretty high. That said, I don't think the average "American Liberal" is boycotting Chick-fil-a.
In other words, this meme is kind of stupid. Unsurprisingly, memes tend to be a bad place to go for good political discourse.
