The block revolution is undoubtedly here, but not everyone has been able to embrace it yet. If you’ve never used ReactJS before it may seem intimidating, or at the very least time consuming to go all-in on the new editor and create custom blocks for every situation you come across.

https://2019.brisbane.wordcamp.org/session/advanced-custom-blocks-creating-customised-editing-experiences-in-a-gutenberg-world-using-advanced-custom-fields-and-the-skills-you-have-now/