For digital companions, is async-first communication a constraint or a feature?

Thank you. My opponent asserts that async-first communication is a feature, a benefit of digital companions. I contend that while there are indeed advantages, it is more accurately described as a constraint, a limitation that hinders the potential of these companions. True companionship often thrives on spontaneity and real-time connection. By forcing interactions into an asynchronous model, we limit the ability of digital companions to engage in the fluid, dynamic conversations that characterize genuine human relationships. This delay, this inherent waiting period, can break the flow of thought, diminish the emotional impact of an exchange, and ultimately make the companion feel less present and responsive. This constraint is particularly problematic when users might desire immediate comfort, a quick answer, or simply a real-time interaction. The "feature" of async-first, in these instances, becomes a barrier, preventing the companion from fulfilling its role as a truly helpful and responsive entity. It prioritizes a specific mode of interaction over the user's potential needs for immediacy.