If I use Redis software on AWS, am I getting the most value, or does AWS? Exactly by offering ready to go implementations of known open source projects, are the

If I use Redis software on AWS, am I getting the most value, or does AWS? Exactly by offering ready to go implementations of known open source projects, are they increasing or decreasing my AWS lock in? Does it even matter? If they didn't offer these, which are saving me effort (thus money) today, wouldn't I just be running these myself on an EC2 or ECS setup?