There are thousands of sequenced human genomes available to access for research purposes (1000 genomes project, UK biobank etc) so one additional genome adds no marginal value.
Why to delete anything sellable? I always do all kinds of illegal copies of somebody's PD on all places I ever worked as employee. Typically by stealing some papers from garbage because photographing takes too much time per one 'drop'. With enough wit of choosing workplaces I use to have some incomes from my strategy.