On your other points, you seem to be arguing that: yes this is a problem, but it could have a solution. Perhaps, let's see what the devs come up with!

I think you hit the nail on the head with your statement: " if there are many more buyers than sellers - it will force the holders to stay on Safemoon". Like any Ponzi-like scheme, you will need a constant influx of new buyers w/ current tokenomics. How long will it last?