It's still a harder competition to win, United have dominated the league over recent years but only turned that domestic success into 1 CL title in that period of time.Not really. I mean you have to be good but you can certainly fluke your way to the CL. Chelsea and Liverpool have shown that, in recent years. Heck, we even nearly did it last year. It is a cup after all. Luck plays a big part in winning it and individual mistakes or errors or refereeing blunders are amplified tenfold.
And rarely does the best team in the CL win it whereas most of the time, the best team over 38 games wins the Premier League.
Sure some teams do luck their way to a win like Liverpool and Chelsea who were definitely not the best teams in the competition when they won it but that just goes to show how unpredictable the competition is and how hard it is to win it.
The league shows consistency i completely agree but the CL is the competition where all the best teams and players in the world play in.