Earlier quoted context omitted.
That is what people miss about interviews. Often when you interview you don't have reasonable leads on any other job and so you don't feel like there is a choice since you likely need a job (unemployment rarely pays as well as a job). However interviews are not only about the company deciding if they will hire you, they are also about do you want to work there and convincing you to take the job if one is offered. So…
People don't miss that about interviews, they just know that the balance of power is so skewed that the interests of the employer become the only relevant part. The employer can keep going through hundreds of applicants until they find someone who's literally perfect in every single way, they have nearly unlimited time. Meanwhile, the applicants need a job now, any job at all, they're on a hard time limit until their…
I know applicants need the job more than they need you. However you still have options if you don't get this one - you should always be following several leads until you finally get a job. Odds are your other leads are not anywhere close to as advanced as this, but if you can wait a couple more months you have a chance.