Thank you for your response. I appreciate that. I feel the same way as you do about Realityhubs. I also love the idea of this platform - reviewing stuff, expressing your thoughts on it.

In Realityhubs introduction post, it is mentioned in the Products section,

"We can also see products from the end of intangibility. We can see them as intangible objects to offer other benefits. It could be a piece of professional advice from a lawyer, doctor, engineer, and so on. Once people can benefit from these ideas, it is also a product you are offering to the society." Source

To get a good idea, I asked this question on that post.

Source

Later, I joined Realityhubs Discord server. And I got the answer from Realityhubs founder, @knowledges.

I'm passionate about martial arts. I express my thoughts on different things about martial arts and self defense.

Let's come to the post that brought us together and have a good conversation.

If you see it in a different angle, it is a review of knife defense techniques in Filipino Martial Art VS Wing Chun. Source
Yes, there is no review word over there.

The decision is up to you, @dpd. It can be the beginning of our friendship.
I wish you good luck and success!