Maybe people resent losing their jobs to machines?
No, it's just boring and uninspiring.
Or people resent the major privacy issues, inconsistent UX, and deprioritization of what they see as needed features, all to add a few hugely hyped but minimally useful AI features.
My biggest worry is that everyone complaining about hamburger menus will soon be wishing they could use a hamburger menu instead of being forced into chatting with an AI for menu settings.