You're claiming that for deals in the $80-120m range, most of the time, the seller sends over their entire database of customer contact info before the deal is

You're claiming that for deals in the $80-120m range, most of the time, the seller sends over their entire database of customer contact info before the deal is closed? I'm sure it happens in some fraction of deals, but to claim a majority seems absurd. That said, you probably know best - I speak from a sample size of 4.