ze skazą in English:

I am a flawed person, but these are flaws that can easily be fixed.

of course there are plenty if banefit to attending a university but I believe tge structure is flawed

flawed reasoning

Churchill was fundamentally flawed.

flawed = weak in character.

Nigel Knight calls Churchill 'flawed', it means he had a weakness in his character. And Churchill didn't get it right all the time.

In fact, this argument is flawed, because...

The company replaces flawed products for free.

Well, it was flawed, but highly addictive.

but it wasn't working. Now, partly the concept itself was flawed,

a fatally flawed strategy’