I agree. Austin is one of the most chill places in the world. As a matter of fact, the only thing people bitch about are all the self-centered Californians who moved to TX in order to escape high real estate prices.
To the OP: get out of your bubble, man. Austin is one of the friendliest places around.
I agree, the OP needs to hang out with more Austinites. Unfortunately, the reason I left Austin was precisely because the ratio of "Austinites" to "Transplants" was headed in the wrong direction FAST. I've been gone almost 4 years now and I hear that it's only getting worse.
Austin still has pockets of cool left, but it's nothing like it was in the 80's, 90's and 00's. It's been on the steady decline for decades.
All that said, it's probably a much better choice than most anywhere else in Texas and probably the south/southwest.