Right, as a team or developer of a coin, he should have enough idea about blockchain, and how does it work, how to create a new coin, develop that coin. In a nutshell he should have knowledge about creation a coin or fork a coin. If he is weak in such field, he should hire an experienced developer.

the whole point of creating a new coin is that you create a new coin. if you want to fork some coin without even knowing which algorithm suits your innovative idea (that you should have before you even think about creating a new coin) then you should not even waste your time creating it.

If you don't have an idea on which algo is the best, you shouldn't even fork a coin on your own.

What's the reason why you want to fork a coin?