Git problems arise when people want to do moderately sophisticated things, beyond just committing changes and viewing logs and diffs.
> If git commit and git checkout are too complicated,
If "If git commit and git checkout are too complicated" is your argument, then you aren't doing anything more sophisticated with git than what you learned from a svn to git migration tutorial in five minutes.
People do more with version control than "commit and forget".
If that's all you need, then what you really want is backup software that takes regular snapshots of your filesystem.