I don't hate or despise teams. It's far more useful in most normal office environments to have your communication and your collaboration occur in one tool.
I think most of the people that hate it are trying to only use it for communication, usually because they received no training on how to use the collaboration parts or an unwillingness by the organization to change the way they are doing things when they got M365 licenses.
If you still have a shared network drive while you're using Teams, your organization is doing it wrong.
If you are sending attachments in e-mails while you're using Teams, your organization is doing it wrong.
If you are sending e-mails to get things approved while you're using Teams, your organization is doing it wrong.
If you aren't using planner to co-ordinate tasks for small groups of people while you're using Teams, your organization is doing it wrong.
If your organization is paying for m365 licenses just for you to have e-mail and the desktop office suite, they're doing it wrong.
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