First impression is the most important impression to attract attention to the project.
But to work constanly with cross-chain platform it is necessary that it was safe and offer a lot of useful things and products.
Reliability and credibility of the platform are important in considering the trading platform.
Since there are so many DEXs around, they need to have certain edge that users will identify on their platform.
Also, the liquidity is also one of the vital features that traders will look at.
Because it is hard to trade if there is small to no liquidity for the particular pair you are looking for.
But anyway, everyone is free to offer their services. As users are free to choose which platform they would trade their coins with.