Why are opCall's not implicitely assignable?

[nobody]

Karen Lanrap wrote:
> Tools are made to support our thinking---and tools influence the way 
> we think:
> 
> When all you own is a hammer, every problem starts looking like a 
> nail. (Abraham Maslow)

It is my impression that the Sapir-Whorf hypothesis is still hotly contended. 
Your argument seems to invoke it which seems like bad form. However you still 
get points for being able to attribute the hammer-nail quote to Maslow.