While loving Haechi, wasn't it hypocritical of King Yeongjo to later kill his son, Crown Prince Sado?

[*Justin Seagull*]

Was it because he became senile in his later years or was he just hypocritical towards his own son even though he went through the exact same framed treason accusations?

 

The Joseon dynasty is basically a "lol yolo I want to keep my power rawr" with fathers and sons. 

[vitaminplus]

 

 

The Joseon dynasty is basically a "lol yolo I want to keep my power rawr" with fathers and sons. 

 

I think its this