I have joined a software company in a QA team in Estonia. The HR told me the company has a flat hierarchy.
I found my team lead arrogant and rude. I politely asked him not to talk with me like that, because it annoys me. But later he gave me a warning message which says:
Outbursts of emotions is inadmissible.
Additionally, in his warning email, he pointed me as false promising, and deceiving.
I am wondering:
Is what he said true, that outbursts of emotions are inadmissible?
Given it is a flat company, how should I ask him to be polite?
We were talking about a technical solution. I said that his proposed solution is wrong. (I was talking about his solution), and he said "You are wrong". He targeted me with this sentence, and then ordered me to complete the task without any more discussion.
As far as I know, you should never say You are wrong. But, there should always be discussion about why I think the solution is good or not?