The Ability To Set The Maximum Player Count Before Making A World (Bedrock)

I'm from a big family of siblings and we all play bedrock edition to play together. I'm the oldest so I'm usually the one who makes the Minecraft world but I like a more hardcore experience but when you have a lot of younger siblings that can be pretty hard. Here are some examples, I'm hungry get me food!, Can you fix this a creeper blew it up!, I DIED MY STUFF IS GONE PLEASE GET IT BACK!!! See what I mean so I usually end up playing in a peaceful world with my siblings but at least I can earn achievements. Well that one of my issues you see bedrock edition by default only lets 5 players join at a time and I always ALWAYS end up having to enable commands which is considered "cheating" and setting the max players count to 10 or 20 if our cousins are playing with us. Which means I cant earn achievements or feel like I'm legitimately accomplishing anything without feeling like I'm "cheating". So that's when this idea came to me under the multiplayer tab on the world creation screen you could be able to set the maximum player count before creating the world like to 10 or 20 or 50 and you could be able to set it in the settings to after making the world. I think that if you guys are gonna revamp the GUI and all that, this would be one nice little thing to add to help out people like me. Thank Guys ;D