Kylo story is not better then Anakins. Technically Anakin did duel dooku twice and decapitated him. More then what Kylo has done. There is more story on Anakins potential when they are discussing pod racing about him being the only human who can do it then Kylo in two movies.
Anakin beat an 82 year old. Eighty. Two.
Kylo killed Snoke. That alone is better than Dooku, who also happened to kick the crap out of Anakin as well.
I know it will never happen, but Lord do I wish it would, I wish that Kylo would kill Rey in 9. I wish like hell they would complete this trilogy with Kylo killing off Han, essentially ending Luke (tho not really) and then killing Rey instead of the redemption nonsense they are likely to use like with Vader.
Could you imagine the outrage?