1. What do you think of new coins / tokens that keep appearing
It's all shit coins for me and it will be just like the others, dissolve like a bubble whenever they feel like going down.
2. What is the positive impact of this new coin on Bitcoin
It might increase the demand of the usage of BTC for it is the main coin here in this industry.
3. What are the benefits for traders with the emergence of these new coins?
In the first place, it might have a large benefit to traders and holders, if only their coin will not be as pure garbage into the market exchanges. Besides, all of the new coins starts with a below or even a few raises on $1 value.