Git reset HEAD~1 does not leave modified files in working tree about git HOT 3 CLOSED

me@work MINGW64 ~/repros
$ git init msgit-490-reset-head-tilde-1
Initialized empty Git repository in C:/Users/me/repros/msgit-490-reset-head-tilde-1/.git/

me@work MINGW64 ~/repros
$ cd msgit-490-reset-head-tilde-1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ >a1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git add a1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git commit -m a1
[main (root-commit) 73cccad] a1
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 a1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ >a2

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git add a2

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git commit -m a2
[main af3a152] a2
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 a2

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git reset HEAD~1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git status
On branch main
Untracked files:
  (use "git add <file>..." to include in what will be committed)
        a2

nothing added to commit but untracked files present (use "git add" to track)

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ echo hello >a1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git commit -m a1-modified -a
warning: LF will be replaced by CRLF in a1.
The file will have its original line endings in your working directory
[main bef76c0] a1-modified
 1 file changed, 1 insertion(+)

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git reset HEAD~1
Unstaged changes after reset:
M       a1

me@work MINGW64 ~/repros/msgit-490-reset-head-tilde-1 (main)
$ git status
On branch main
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
        modified:   a1

Untracked files:
  (use "git add <file>..." to include in what will be committed)
        a2

no changes added to commit (use "git add" and/or "git commit -a")