I agree with the ambivalence of virtual vs. hybrid vs. in-person. As a person who has been unable to travel for family reasons, I did all I could to attend any event of any relevancy that was offered in the area. COVID has opened up so many possibilities for me, and I realized, for a lot of other people, especially when the virtual events were offered gratis or super-cheap. I'm very disappointed with my own professional organization (American Library Association) for returning to in-person only for their next annual.
That being said, I do not like attending a virtual presentation when only the presenters are viewable. I, too, look for interactions, reactions, etc. from the audience, not just as a presenter, but also an audience member. Even when the platform allows for people to appear, very, very few open their cameras. I understand limitations that may make it difficult, not possible or possibly embarrassing. But it is so much more interesting and pleasurable when you can see your audience.
Overall, I hope hybrid becomes the new norm. My favorite conference series, Electronic Resources & Libraries, had been doing hybrid events for several years before COVID and, given the limitations of funding and technical capabilities, they did a very good job. I could "attend" nearly every session I wanted, although at that time, I couldn't ask questions live. Things have improved and their last virtual only event was quite impressive. These things don't come cheap though, but even with increased costs of software, hosting services, and physical technologies, it would be less expensive than including the travel and accommodations.