If gyno occurs while on cycle due to the armoma. of test into estrogen, and we take SERMs to block the estrogen receptors that form breast tissue. Then we take AIs to completely block estrogen at the end of a cycle to help test rebound, then why not just skip the middle man of SERMs and just take an AI to prevent estrogen from becoming an issue to begin with?
This just seems too simple to be as clear as it seems to be. I know that there has to be a deeper more in depth reason, I just cant seem to figure it out tho.