As an expert sommelier and brewer, I can provide some insights on whether or not it is reasonable to return a beer if you don't like it. Generally, returning a beer solely because you don't like the taste is not considered a valid reason. However, there are certain circumstances where it may be acceptable to return a beer.
One valid reason for returning a beer would be if there is something wrong with it. For example, if the beer has a foul or off-putting taste, this could indicate a quality issue or a problem with the beer itself. In such cases, it would be reasonable to bring this to the attention of the bartender or server and request a replacement or refund.
One common issue that can affect the taste of beer is when bars do not clean their lines properly or at all. Beer lines need to be cleaned on a regular basis to prevent the buildup of bacteria, yeast, and other contaminants that can affect the flavor of the beer. If you suspect that the beer you received has been poured through dirty lines, resulting in an unpleasant taste, it is perfectly reasonable to request a different beer or ask for a refund.
Personal experiences have taught me that some bars may neglect proper line cleaning, leading to a noticeable difference in the taste of the beer. I have encountered instances where a beer tasted significantly better at one establishment compared to another, even though it was the same brand and style. This highlights the importance of regular line cleaning and reinforces the notion that returning a beer due to a tainted taste can be justified.
On the other hand, returning a beer simply because you don't like the taste is less reasonable. It is important to remember that beer preferences are subjective, and what one person enjoys, another may not. It is always a good idea to ask for a sample or description of a beer before ordering to minimize the risk of disappointment. However, once you have ordered and tasted the beer, it becomes your responsibility to accept your choice, even if it doesn't align with your personal preferences.
While it is generally not acceptable to return a beer solely based on personal taste preferences, there are valid reasons for returning a beer. If the beer has a noticeable quality issue or if you suspect it has been poured through dirty lines, it is reasonable to request a replacement or refund. Understanding the factors that can affect the taste of beer and being aware of your own preferences can help minimize the chances of needing to return a beer in the first place.