If you've read the works of the likes of Daniel Kahneman on human behaviour, there are ample arguments to showcase that humans don't always behave in a rational manner. In fact, it is argued that a lot of our behaviour is seemingly irrational.
This is only partially true. A lot of these times, we simply look irrational to others who have different motivations and goals than us. While our behaviour seems perfectly rational to us.
Hence, when we come across something that seems contrary to what we would do or what we consider rational behaviour in such a scenario, rather than question the rationality of someone's behaviour (including our own), we can instead ask what their goals and motivations are that make this action seem rational.
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