Python one-liners are a testament to the language's power and elegance, capable of performing a wide range of tasks in a single line of code. Their appeal lies in several key aspects:

1. Readability and Conciseness: Python's reputation for readability and clean syntax is epitomized in one-liners, which distill complex operations into a succinct expression, enhancing the code's clarity.
2. Quick Prototyping: Ideal for rapid prototyping, Python one-liners allow for immediate testing of ideas or small tasks without the need for elaborate scripting.
3. Code Golf: Python is a favored language for 'code golf,' a challenge to write the shortest code possible. Its concise syntax lends itself well to this creative and competitive endeavor.
4. Educational Value: As teaching tools, one-liners demonstrate the innovative use of Python's functions and libraries, offering a compact yet powerful way to illustrate programming concepts.
5. Scripting and Automation: Python one-liners can automate tasks or perform useful operations efficiently, often eliminating the need for more complex scripts.
6. Fun and Creativity: The creation and sharing of one-liners are not just enjoyable but also foster creative problem-solving among programmers.
7. Efficiency: In Python, one-liners can lead to more efficient coding, as they encourage developers to think about accomplishing tasks in the most concise manner.

To illustrate, here are a few examples:

print(sum(1 for _ in open('file.txt')))

max_element = max([3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5])
print(max_element)

reversed_string = 'Hello, World!'[::-1]
print(reversed_string)

While Python one-liners are a display of coding artistry and efficiency, it's important to prioritize readability and maintainability in larger projects. They are most effective when used appropriately, complementing rather than complicating the coding process.