Quote Originally Posted by Mysteryman View Post
Twist rate has no effect on reliability. The mag release fence also has no effect on reliability as far as firing sequence. A rifle without a magazine doesn't fail, it simply has no more ammunition to feed. The risk for inadvertently dumping the magazine is greater. Beefing up areas has to do with durability, not so much with reliability. If you're referring to the barrel, that was a false problem with a false solution.
The reply you quoted had nothing to do with reliability. It had to do with engineers not always getting things right and end users finding problems. Like you said, SMEs and engineers build things that arent perfect all the time.