Are ergonomic split keyboards actually worth it for RSI or wrist pain?

Across r/ErgoMechKeyboards and r/Ergonomics threads we read, long-term users consistently report meaningful reductions in wrist and forearm strain after a 2–6 week adjustment period, especially with tented or contoured designs. The benefit is largest when paired with proper desk height and posture; a split keyboard alone is not a medical fix.