Residents in rural Texas say they only learned the full terms of Grimes County's agreement with SpaceX after it was finalized, fueling anger over a 10-year exemption from county property taxes. For many people in Grimes County, the issue isn't just the size of the incentive package. It's also the sense that a decision with major implications for their community moved ahead without enough public input. What happened? Under a June 3 tax abatement …