That claim was never made here though? They literally stated multiple times they were used as a meditative tool. There are people that think stones replace science but that's not the sole belief. The majority use them just as the commenter does, as meditative tools. Physical objects to focus on to direct intention, totems during the self improvement process. It's fine if you don't believe that's needed but don't shit on someone else's practice, especially when you're operating under your own bias.

Edit to add a direct quote from the commenter, in a comment above, "Are the stones realistically having an impact on reality, or me? No!" This is the common use and view of these stones. You're assuming everyone who uses them in their practice believes they heal all and have magical powers, which is entirely untrue for the majority of those who use them.

Um...that's not the conversation that's being had here, though.