It’s Boeing’s option to accept the terms or reject them. Many years ago I opted to pass on a Small Business Administration loan because I didn’t like the terms re: equity. My aviation business could have grown much larger in a very short time but I chose a self-funded, slow growth. I don’t regret it. The concept of government equity in exchange for government funding has been around at least as long as the SBA and student loans. It works for some (GM) and not for others (Boeing).