Huge shoutout to these employees who showed caution and care for the customers. Their intervention may have prevented something truly terrible from happening.
Whatever initially occurred between the two drivers, it's hard to watch. East Texas is typically known for mannerly behavior--relatively speaking, at least.
Remember, no matter how "safe" a park or place may be, it's important to always be aware of your surroundings. You may even want to consider a walking buddy.