Why have I seen so many people commenting that buying digital gold is not worth it ? What about REITS?

Is there anything I missing out on? I mean I don't get what could possibly be wrong. For context, I use tanishq to buy digital gold and it seems safe. Are there some extra spendings I am doing or some other way to actually buy gold without having to keep it physically with me?

I already have investments in SIPs . Any other recommendations would be appreciated . I also have invested in some stocks for long term. How actually are REITs? I am super interested in real estate though it's difficult to invest high amounts upfront in one single step....