In that case I would say:

Pros: Easy to follow and read. Although so is an iterative version.

Cons: Could cause stack overflow, iterative method is much better in this case and is probably faster.

In that case I would say:

Pros: Easy to follow and read. Although so is an iterative version. In general, is probably slower than simple iterative alternative.

Cons: Could cause stack overflow, iterative method is much better in this case.