It is simply not possible to avoid price reduction, because a lot depends on the global cryptocurrency market. If you look, you will immediately see that there are a really large number of projects that immediately after being placed on the stock exchange fall in price.
even with the buyback method and that will not help a lot. market depends on the bitcoin and that's the main point. Bitcoin is the only thing that can decide where the crypto will go.
but another factor like they can't attract the new demands make them all getting decrease instantly.
At least team will be sure about dump issues after getting listed on the exchanges they are convinced to use this methodology. There is no perfect escape system but not giving damn about it will bring worse things back.