There is a difference in levels of acidosis. Yes, the body will try to maintain a reasonable level of alkalinity but when the body has to work beyond its normal effort to stay alkaline, it is sufficiently acid that damage starts to occur.
The truth is that each cell in the body has an optimum pH. At any poiint that the body starts to drop below 7.35, there is a price that is paid. One price is the slowing down of the immune system. This allows the build up of numerous minor problems that can slowly erode your health over time.
It is wise to ignore the stodgy experts that tell us that only someone who has extreme acidosis needs to worry. If your early morning urine is acidic, it means that your kidney are having to pump out the acidity almost 24 hours a day continuously. There will be a toll to pay.
Instead of dealing with this debate over acidosis and alkalosis I suggest you look up the real facts for yourself. You can easily find that the body has a very narrow pH range it can survive in. If this level goes too alkaline or too acidic the person will die.
Also look in to the role of alkalinity in the progression of various pathogens such as fungal Candida and H. pylori as well as the survival and progression of cancer cells. The "liver flush" supporters are merely spouting more of the same misinformation they read on some sales site somewhere falsely claiming that acidity in the cause of all disease. Check reliable sources for the truth, which shows just the opposite.
While you are at it research the dangers of alkalosis.