I think the key thing that is trying to be conveyed here (based on discussions I have had with the blog post’s author beyond the contents of the blog post itsel

I think the key thing that is trying to be conveyed here (based on discussions I have had with the blog post’s author beyond the contents of the blog post itself) is that you shouldn’t be required to create a custom widget unless your requirements are unusual. I am confident that the ability to create custom widgets will be retained for those who do need it.