Are they Mormon?
“He was very quiet and introverted,” the owner said. The small business owner said, over time, Conditt did not meet job expectations and was given several warnings and opportunities to improve. “He would prioritize things in his own way,” he said. Those priorities did not coincide with the company’s vision and Crux Manufacturing fired Conditt last August, according to the owner. The owner said Conditt was never confrontational and there were no specific incident or argument that resulted in his termination.
http://www.kvue.com/article/news/local/quiet-and-introverted-what-we-know-about-austin-bombings-suspect/269-530621153
Throw in everything I said above and add in gymnastics... bottom line, he was an odd duck.