There were vast differences in the pace, communication style, and project success rate among them. There were very fast-paced projects with extremely sharp colleagues. There were small projects in contact with the prospective (non-engineering) users of the tool being built. There were slowish projects with some red tape thrown in. One project was outright canceled because of architecture not matching the changed requirements.
No, not al FAANG is "like this". No, every single company inside FAANG is huge, and very much varied within.
Walk around. Talk to people. Get interested in what other teams are doing. Do some research, because I bet the tools to look into other teams' work are there, as are informal internal forums. Find a better team, and migrate to it.