Could make it available only for employees over a certain tenure at the company (to prevent a get hired, get paid scenario) and also make pay outs tied to lengt

Could make it available only for employees over a certain tenure at the company (to prevent a get hired, get paid scenario) and also make pay outs tied to length of time outside of those enterprises (i.e. 25% immediately, and another 25% for each of three years after you quit). Could offer incentives for people to convince their co-workers to quit en-masse (i.e., bonus payouts for getting many employees to quit an once)...