We will never know when the military aid to the Ukraine would have been released without the whistleblower complaint being filed on August 12th. That clearly did throw a wrench into some plans. One thing is certain, without the whistleblower complaint being filed when it was, President Zelensky of the Ukraine would have done an interview with Fareed Zakaria on CNN in either late August or early September and he would have announced that he was opening an investigation into the Bidens.
As for the last line "Not impeachable IMHO. The majority of the country agrees." That depends on which poll you are looking at. The latest Fox News poll has support for impeachment at 50%, with only 41% opposed.