I wouldn't say it's the best because I personally prefer BUSD over Ether. It certainly is the most famous and most used because it's one of the first Stablecoin to be created but there's always going to be competition and market share will eventually spread in overtime.
with stable growth in its price which is a really good way to make money and also started accepting as payment.
What do you mean "stable growth in its price"? it's a stablecoin, you can't profit from holding it since it's 1:1 to USD.