What about hosting considerations? A website styled with jQuery can be hosted as a static website - anything done with React is going to require a Virtual Private Server to spin up a Node-based web server/web application.
If we are already looking at Enterprise level deployments, the cost of a VPS hosting package is likely not a consideration but for a small business, it may still be. (For example, I love my web applications, but deploying them is a different matter. I have to head over to Heroku to do so, instead of using the $10/month hosting package I have through GoDaddy which is currently sitting idle.) jQuery may be an option to create a relatively interactive website and keep costs down for clients who are not in the market for a web application with VPS hosting.