Sure, that, among other reasons. If the goal is to always have the best thought-out and least-fragile solution for any given code operation, then the trade-off

Sure, that, among other reasons. If the goal is to always have the best thought-out and least-fragile solution for any given code operation, then the trade-offs are that it's possible the library solution is going to not fit quite as perfectly as it night, and it will almost certainly be slower.