Most of what you describe would be a case by case basis. This post applies specifically to calling another user a bot or a shill. Pointing out intellectual dishonesty or hypocrisy can be a part of normal discourse and can be done in a way that respects the civility of the conversation. Some of what you describe could be in violation of other community rules, depending on the details.
The best thing to do if you’re unsure about a particular situation is to report it, and mods will review it. You can always message one of us about a situation if you are not sure or require additional clarification. People are allowed to disagree with one another, even vehemently, as long as they do so within the rules of the community.