What happens if you didn't migrate your Minecraft account?

It says I don't own Minecraft after completing migration. what happened? : r/Minecraft

Will I still receive the GTA$4,000,000 if I don't migrate? : r/GTAV

How to get the Migrator cape in Minecraft

Minecraft: How to Migrate Your Account

New Minecraft Account Migration Deadline Date Revealed

I forgot my minecraft email I used to migrate from mojang to - Microsoft Community

Migration failed : Ohhh no! something went wrong : r/Minecraft

Minecraft Account Lost after Migration :(((((((( - Microsoft Community

How to STILL use your un-migrated Mojang/Java account

Yo I migrated my account last week and I've been playing regularly since then, but now I can't play the actual game. It only lets me play demo. What do I do?

Minecraft - How To Migrate Your Mojang Account & Get The Migrator Cape!

You NEED To Migrate NOW Mojang Minecraft Accounts

I'm confused, does that mean that i will get Bedrock Edition for free if i already own Java Edition? : r/Minecraft