The choice of tooling has to be dictated by actually delivering a product, even if it's open source. If JQuery met your needs at the time, and your personal pre

The choice of tooling has to be dictated by actually delivering a product, even if it's open source. If JQuery met your needs at the time, and your personal preferences and experience are nonfunctional requirements, it was the right call. That doesn't mean that in the future you won't grow beyond that, but having to transition a production system to a new technology is fundamentally a good problem to have.