Makes sense. Other key questions would be: complexity cost of added hoop (including, possibly, increased attack surface -- the sequence of hoops is just an abs

Makes sense. Other key questions would be: complexity cost of added hoop (including, possibly, increased attack surface -- the sequence of hoops is just an abstraction that reality may not obey) and also creation difficulty (it could be that improving an existing hoop is significantly quicker than creating a new one).