I don't post in my blog anymore, so I had not noticed this feature until I was visiting another blog.
Infinite scrolling is absolutely awful. And your workaround is no better. All it does is briefly interrupt the infinite scrolling to make you click a button, and then goes on to scroll some more, rather than taking the reader to a new page.
With no pages, it's impossible to know where you are, it's disorienting, it's incredibly annoying, and it takes longer to load. There are no advantages.
As a reader, this is a nightmare.
You don't need to respond to this post, but please do away with this.
This says it in more detail: