Re: Introduction + The missing Atemi
Find a different dojo or a different art.
At 4th kyu, I think it's safe to say that your understanding of aikido is incomplete, and further practice may change your opinion.
However, it is also quite clear that you don't have much respect for the teachers and senior students who you have encountered in your aikido journey to this point. It's impossible to say whether your opinion is warranted or not, but as long as you feel that way you are wasting your time as well as theirs.