Yes, it is possible for someone to be an atheist without being inherently scientific or rational. Atheism, at its core, is the lack of belief in a god or gods. It is a position on the existence of deities and does not necessarily dictate one's overall worldview or approach to reasoning.
Beliefs and perspectives are influenced by a variety of factors, including personal experiences, cultural background, upbringing, emotions, and social influences. While some atheists may arrive at their disbelief in deities through rational examination, critical thinking, and scientific understanding, others may have different reasons or bases for their atheism.
An individual can be an atheist for various reasons, such as philosophical arguments, moral considerations, skepticism towards religious claims, or personal disillusionment with organized religion. These reasons may not necessarily be rooted in scientific or rational thinking.
Furthermore, people can hold irrational beliefs or exhibit irrational behavior in certain aspects of their lives while still identifying as atheists. It is important to distinguish between atheism as a specific position on the existence of gods and an individual's overall rationality or logical thinking across different domains.
Ultimately, atheism itself is not contingent on being scientific or rational by nature, although some atheists may incorporate scientific or rational thinking into their worldview. Atheism is a single position on a specific question, and an individual's broader rationality or reasoning abilities can vary independent of their atheistic beliefs.