Earlier quoted context omitted.
Unless you were doing custom jQuery builds per project (which no-one was), it was always bad. People would routinely drop in the 35kb lib and only use 3-4 functions.
That's not really a problem with jQuery, that's a problem with the way people were using it. Also, a slow loading JS lib wasn't as much of an issue 5-7 years ago when jQuery was really in its heyday. Web pages were simpler and more information based back then and it was usually a requirement that they be useable without javascript. Since you are (should be) loading jQuery at the end of the page (or asynchronously) th…
Not to mention it was recommended to point your "src=" to one of the common cdns, so it would likely already be in the user's cache from some other website that used the same jquery version.