You have not understand yet ?? The purpose of their ad with their pseudo swap and just to force you to buy their ebit, so that the value will go up and they will be able to sell their coins quietly and leave with the cashier.
Think about it, the Devs gave no sign of life for several months and as if by magic while the BTC and at its lowest level, they reappear and want us to buy as if nothing had happened. They just need liquidity, that's all.
You do what you want, but personally, in addition to losing my trust, I would not give them any cents.
Exactly the same with what I think, why they do need to swap and requires minimum 4k tokens. They should accept any number of tokens imo, as it will be fair for all old ebit holder. You are right, the dev wants to boost the price of old ebit so he can sell the remaining tokens that he have = boom nice profit for him.