Very comprehensive document here apparently leaked by Gillis' son, Spencer, on Twitter.
https://twitter.com/user/status/1354564840501637124
Someone on Reddit picked it up and posted it to r/hockey. The link is below.
https://old.reddit.com/r/hockey/comm...t_penguins_gm/
An interesting inside look into some behind the scenes thinking in the NHL. I'm pretty impressed by Gillis' reasoning here.