Your own assertion is that the need was for a handful of hours when the nukes failed.
Don’t put words in my mouth, that is quite rude.
Capacity factor isn’t reliability.
It is a useful comparison figure to examine reliability. Your inability to comprehend the connection clearly highlights your incompetence on the subject.
Please, either spend some time educating yourself, or refrain from commenting further on the topic of nuclear power. Your lack of knowledge is causing you to (possibly inadvertently) contribute to the spread of disinformation.