A Miami tech industry consultant claims that after seeing how easily a man can get hooked on “AI girlfriends,” he’s convinced there is a burgeoning billion-dollar-plus market for synthetic digital companions with a customizable voice, appearance, and demeanor. Local investor and executive Greg Isenberg made waves on X (formerly known as Twitter) this week by suggesting that apps with artificial intelligence-generated dates could grow into a mass-market alternative to traditional dating sites (you know, the ones that offer interaction with living, breathing human beings)…