Change Default WSL2 User

In WSL2 Console, create /etc/wsl.conf with this contents:

1[user]
2default=username

Then in powershell (administrator):

1wsl --shutdown

Reopen terminal and make sure default user is now changed.

Reference: https://superuser.com/questions/1566022/how-to-set-default-user-for-manually-installed-wsl-distro