> Designing on your own might take time some time but will help your product in long run as using a template restricts creative additions.

I feel the same way about templates as they constrain design freedom. I lean more toward CSS/JS frameworks.

> Pick any existing CSS framework sucha tailwind CSS

I've noticed tailwind gets a lot of love on HN. Is Tailwind UI going to help make it easy to create a landing page with top notch aesthetics?