Contrary to a common assumption, you don't have to take crazy risks or tolerate wild volatility to own AI stocks.Warren Buffett's never been a big fan of technology stocks. He says they're too difficult to understand and often vulnerable to change. He'd rather own more predictable picks, which means he prefers investing in already-profitable companies with simple business models. This preference disqualifies many artificial intelligence (AI) stocks from becoming a Berkshire Hathaway holding.Not every techno ...