Vim supports the cursor keys, even in insert mode. Assuming the new Vim user already knows how those work, telling them that they instead need to go `Esc -> hj

Vim supports the cursor keys, even in insert mode. Assuming the new Vim user already knows how those work, telling them that they instead need to go `Esc -> hjkl -> i` and ending things there... that's going to leave them worse off in Vim than saying nothing.