You don't put together and film a show in 2 months if that's what you're implying here. it was planned for a long time before that
They are suggesting that the events of 9/11 would have made the showrunners debate whether they should delay the release of 24, or edit it to change the content somewhat.
You're right, you plan them both together before the fact.
They are suggesting that the events of 9/11 would have made the showrunners debate whether they should delay the release of 24, or edit it to change the content somewhat.