I think the codebase of Redis is too small, which makes the cost of maintaining a Redis fork relatively low. Moreover, Redis was forked too late. This puts Redis Inc. at a disadvantage in the battle against cloud vendors.
I dunno about "battle" but <a href="https://www.linuxfoundation.org/press/linux-foundation-launches-open-source-valkey-community" rel="nofollow">https://www.linuxfoundation.org/press/linux-foundation-launc...</a> <a href="https://news.ycombinator.com/item?id=39853463">https://news.ycombinator.com/item?id=39853463</a> feels like a safe bet to have legs