No, don't use Sid. No one should run it on a system they expect to work.
Debian has 3 phases stable, testing & unstable.
Debian Unstable is the initial gate for pulling in new code, applications need to not break everything in that environment before they can be moved to testing. A freeze is periodically applied to testing and RC/Major bugs are identified/fixed and Stable is released
Sid is the naughty child in Toy Story who destroys things. Debian uses Toy Story characters to name things and so Unstable got the nickname Sid.
If you have newly released hardware you might need an updated kernel. This can be found via backports.
Similarly Mesa covers the graphics drivers, you can pull the latest from backports, again you only need to do this if your graphics card is too new.
As someone who runs Debian Stable with KDE, it works great for gaming
The person is correct in this isn't a Linux problem, but relates to your experience.
Windows worked by giving everyone full permissions and opening every port. While Microsoft has tried to roll that back the administration effort goes into restricting access.
Linux works on the opposite principle, you have to learn how to grant access to users and expose ports.
You would have to learn this mental switch no matter what Linux task your trying to learn
Dockers guide to setting up a headless docker is copy/paste. You can install Docker Desktop on Linux and the effort is identical to windows. The only missing step is
sudo usermod -aG docker $userTo ensure your user can access the docker host as a local user.