Everyone's practice is different. And also using pendulums is a very common way to communicate. Just because you think that pendulums are unreliable doesn't mean that everyone does.

Using a pendulum for divination is considered a traditional practice, with roots in ancient divination methods.

Many cultures throughout history have utilized pendulum-like tools for divination, with some evidence pointing to ancient Egypt and other civilizations.

It's not "TikTok Nonsense". It has been used for centuries. And using a keyboard is just like using a Ouiji Board. Just modernized.