If Luke were trying to properly inhabit the role of the Last Jedi Master, he would be more circumspect about this, but this is either a feverdream as he bleeds out in his x-wing or another reality all together. Both of those options give him just enough leeway to be a bit of a shit.

"Obi-Wan Kenobi and then Master Yoda."

Skywalkers are the actual worst.