Frameworks like these are terrible for your document size and page load performance once your project scales.
Why would you write anything that can't scale if you can avoid it? Whether or not you're looking to turn your pet project into a SAAS business is a moot point when you can get scalability for free with other approaches.
It seems verbose yes, but since everything gets minified + gzipped anyway and there is no additional js it is actually quite light in the end. If the parent has difficulties with UX/UI, it might help to look at it from a different angle.
Why would you write anything that can't scale if you can avoid it? Whether or not you're looking to turn your pet project into a SAAS business is a moot point when you can get scalability for free with other approaches.