If you want to go into a pi...g contest about credentials, be my guest.
And yes I have built audio gear. I have worked with RF, which is at least a 1000 times more complex than building audio frequency gear. I am an electronics engineer, graduated from UMIST in the UK, who is now working as a senior software engineer at Broadcom. I have been in electronics, communications and software for the past 25 or so years.
The absolute drivel I hear in this forum even beats the quora politicians forum.
As I also previously stated in one of my very early posts, the only reason I continue to remain on it is because luckily, there are still some people here who know what they are talking about and are helpful.