You can bust on warranties all you want, but when your warranty runs out and that magical self destruct switch activates 2 months after the factory one runs out you'll kick yourself in the nuts. I speak from experience.
Sorry that happened to you, but hindsight is always 20/20.
I've owned seven cars since 1988. Never once did I buy any additional warranties:
1987 Pontiac Trans-Am (1988-1991): It was used, so no warranty. No repairs necessary
1992 Dodge Stealth RT Turbo (1991-1994): Took it in one time to fix a radio issue during the 1st year, covered under standard warranty.
1994 Pontiac Firebird (1994-1996): No repairs necessary.
1990 Pontiac Grand Prix (1996-1998): This was a hand-me-down. It ran to 116K miles with only one problem well after warranty expired - Bad Alternator. It was a $150 repair.
1999 Toyota Solara (1998-2005): Ran this one to 131K miles. Only problem was a noise issue coming from the strut mounts, which was replaced under standard warranty.
2005 Infiniti G35 (2005-present): Currently at 46K miles. Throttle body replaced under standard warranty. CD changer replaced under standard warranty.
2008 Mazda CX-9 (2008-present): Less than a week old. No problems yet.
So after 20+ years and seven different cars (five of them purchased new), three of them were owned beyond the standard warranty coverage, and I'm out $150 for out-of-warranty repairs.