This is no social network. We focus here on Questions & Answers only.
Everything else is just noise and unnecessary for answering a question.
Personally I remove those phrases too and I don't like them actually. It takes me time to read them and I have to filter that out when I try to get the essence of a question. Often questions start with
Hi, greating to all of you. I love Stack Overflow. I'm a newbie. I just learn SQL. I have no idea how to solve this. I googled for hours. Now I need your help.....
They are meant to be nice and that is fine. But it is just not necessary.
Future visitors having the same problem as you need to understand your question and see if they have the same problem. We want questions and answer be helpful, and in best case straight to the point.
That being said I hope this answer is helpful to you. Thanks you all for the upvotes. I also want to thank my mom for raising me. Have a good one till next time. Bye. Kind regards Juergen from Germany but actually soon from Argentina again. Looking forward to it....