So whilst I agree with a lot of what you are saying, if you are applying for a credit card with a lender you've never done business with before your credit file will certainly form part of that assessment.
It forms part of the assessment in all cases, whether you have been a customer or not. The information on the application is cross checked for consistency.
In this case it is also the only part you don't complete on the application form. Whilst I'm sure they don't use the credit scores provided by Veda, and the like, they will be taking the data on your file and making an assessment on it. Let's call that 'ranking' for lack of a better word.
They build their own assessment score based on
all the data in the application, thinks like work industry and location also count. in fact everything on the application counts. Otherwise they wouldn't ask. I wouldn't be surprised now that the length of time the employer has been in business is also a factor as that can be very easily checked automatically, as well as how long phone numbers have been active.
The number of credit enquiries really only forms a very small part of the overall assessment. And that is all Veda have to build a credit score, so it is rubbish.
I dont know what scores I have but mine went from the 2nd best one to the 2nd worst one (using the free check thing), just because I refinanced my home loan. Every bank johnny worth his salt, would know that such an event doesn't degrade a persons credit risk in any way whatsoever.
This 'ranking' the credit provider calculates will vary with what is on your credit file and I would wager (no proof of course) that it will vary in the same direction as the Veda score does with fluctuations on your credit file.
I would be happy to wager that with you but neither of us could win. No credit assessing system is going to reveal any of this information,. they keep it highly confidential and for good reason. The people that work in assessing/checking applications also will have no idea what influence any factor can have, also for good reason. Anyone that says they know is a liar. Even the programmers don't know.
As such, I have concluded that whilst the actual 'score' value isn't important it's movements, especially with enough data points, could be used to help predict your success or not with a particular credit application. Assuming you take into account the other data you submit on the credit application form too.
Your success in the application is determined by the lenders assessment of your capacity to repay. Employment and residential stability are the next biggest factors.