delays post journal submission. See [3, 4, 5, 6, 7].
Preprints only address the second category. However, Thinklab addresses both. And the first category usually takes the majority of time. Posting projects online from their conception would bring content into the public domain years before the current publication system permits.
Any hard numbers, even if just estimates, will help readers grasp the Thinklab's potential in shortening delays.