Those "archives" exceeded by far the ability of allied countries to absorb and exploit their content. Aerospace know-how transfer was spectacular, but didn't carry more forward than for a few years.
The deletion of previously published patents on the other hand helped the Western Allies' chemical industries a lot.

The classic economic science answer to what creates economic output is still
* labour input
* natural resources input
* capital usage
* productivity (productivity gain = "technological progress", but it's not wholly about tech or even science)

And then there's the issue whether economic output - be it nominal or in PPP - does mean a lot or not. 'happiness' studies don't show a very strong correlation, and a sizeable chunk of our economic output is about repairing BS or socially useless activity.