502, you are living in the past; and your use of statistics to support your opinion is flawed. 24/7 and Rival recruiting data has been around a long time, but the Portal has only been in place since 2018, and it took several more years (2021) before NIL was adopted by the NCAA. What you fail to understand, is it is not about the number of players on the roster who return to their original school selection, but it is the much smaller number of skill position players who influence the improvement of these schools. The QBs clearly have the greatest impact, followed by the WRs, RBs, and CBs. Vanderbilt serves as the best example of my point, Diego Pavia arriving at QB explains their success in Nashville.
The Portal “giveth and taketh away”; look at our own roster and tell me where we would be without the Portal? We will begin to see this phenomena increase as schools realize they must succeed with attracting NIL funds, as most of the big money will be directed towards the Portal where there is evidence of performance at the Collegiant level.