Without knowing how old your car is I'm going to have to guess.
WIPER ARM HINGES CORRODED
Never been a problem for me but then again my car is only 1.5 yrs old.
1 - 2 SHIFT SHOCK
First oil change the reflashed my ecu software no charge. Fixed it
A/C POOR PERFORMANCE
There are plenty of discussions about this. Most of it has to do with how people feel about how the a/c performs. Some like me say it's adequate. Others say it's perfect while others say it's lacking. It's subjective and rarely related to a mechanical flaw in the A/C unit so Mazda may say no to this. However, there would be the chance that your does have a problem with the A/C unit in which case depending on how old it is would be covered.
FRONT WIPERS DO NOT WIPE WELL
Biggest complaint is that there is not enough pressure. There are ways around this including getting better wipers. I doubt you'll get far with this.
UNUSUAL NOISE FROM FRONT WIPER LINK
Never heard of this one.