No it's not. The diagnostics are just basic, front-level diagnostics that they do for all machines to check off a few boxes. It's unfortunate when you're in the

No it's not. The diagnostics are just basic, front-level diagnostics that they do for all machines to check off a few boxes. It's unfortunate when you're in the small percentage of people that have an uncommon problem but their current diagnostic system lets them accommodate and repair 99% of the issues people come in for quickly with 1st tier repair staff. It's not ideal but they're not trying to screw you over. Apple has some of the best and most highly rated support in the industry.