I think a lot of people are doing this and less and less such players will be in circulation
You're right, but currently I think we still have enough scrubs in circulation ;-)
I made my hunting only in two days. I bidded ~50 (maybe ~70, for sure not more) players with parameters: 18-19yo, price=1k, potential>=6 and I bought 27 of them. After every draft we should have the same number of these players.
Keeping them in squad would be better for experiment, because if they received cross training then in next week they would have more chances for visible pop. But it has no sence for team which doesn't use team training.
If more than one player receive cross training, earlier or later we must find two cross pops. And it would be insteresting (we could have two pops in the same skill or in different skills, this information would be huge step to discover cross training).