TV’s Frink said:
Yep. He’s a complex character, rather than the Vader clone some of you wanted (and would have complained about if you had gotten).You’re confusing inconsistent with complex.
Kylo Ren masquerades as a badass and even though he has shown great potential the truth is is that he hasn’t completed his training and compared to any Lord of The Sith he is Bantha Poodoo. So him not being as powerful as our first impressions is part of the reason as to why he’s complex