Luke was a young adult when he started learning. He was raised to be responsible. A good kid...like Opie. He then sort of idolized Obi-Wan, Jedi lore, and his real Father. He doesn't want to let them down.
In the Novelization of RotJ, Luke is really tempted to join Palpatine, but I still don't get that impression watching the movie.
Anakin going with Qui-Gonn, I don't see as unethical. Shmi asks Qui-Gonn if he can give Anakin a better life than slavery.
Anakin is just the wrong age to begin training. He's already had years of doing things his own way. His parents are Shmi and Watto. Shmi doesn't have a lot of authority over him as she is also a slave with him, and Watto circumvents her parental rules anyway.
In the Novelization of RotJ, Luke is really tempted to join Palpatine, but I still don't get that impression watching the movie.
Anakin going with Qui-Gonn, I don't see as unethical. Shmi asks Qui-Gonn if he can give Anakin a better life than slavery.
Anakin is just the wrong age to begin training. He's already had years of doing things his own way. His parents are Shmi and Watto. Shmi doesn't have a lot of authority over him as she is also a slave with him, and Watto circumvents her parental rules anyway.