When it comes to ads finally arriving on Apple TV+, the question isn’t so much if, but when—and, more importantly, for how much. Of course, there aren’t any ads on Apple TV+ yet, and Apple has yet to confirm any of the rumors about ads coming to Apple TV+. But with each of Apple’s biggest streaming competitors rolling out their own ad-supported tiers, the arrival of ads on Apple TV+ is starting to feel inevitable, and it’s not like there’s been an absence of signs. Most recently, The Telegraph reported that Apple has “held talks” with Barb, a joint venture between the U.K.’s largest TV network…