Here is the bot***** *****ne from a legal information standpoint. You are an employee at will
- meaning you can be disciplined or terminated for any reason that is not otherwise a violation of law. These exceptions are the civil rights protections (e.g., age, race, sex, religion), violations of public policy
(e.g., fired for attending jury duty
, for refusing to break the law, for reporting illegal activity by the employer (aka a "whistleblower
violation"), or having some contractual right to a just cause employment (meaning the employer cannot terminate you without industrial due process - which basically insures a fair and accurate investigation and decision). Without any of these exceptions, courts find that the employer has a legitimate business right to operate its business however it sees fit and the court will not second-guess the employer. These policies and decisions may in fact be awful and clearly not fair or even make good business sense. However, they are not ultimately unlawful.
Nothing you are bringing up in your question constitutes an exception to at will employment. Not getting along with your supervisor and/or your manager disciplining you for the same is not illegal under any law.
I believe this answers your question. However, if you need clarification or have follow-up questions regarding this matter, I will be happy to continue our conversation – simply reply to this answer. If you are otherwise satisfied with my response, please leave a positive rating as it is the only way I am able to get credit for my answers. Thank you.