Earlier quoted context omitted.
> one should avoid SPAs like the plague Why? I don't see any basis for such a statement, but I'm more than willing to learn.
SPAs are basically an exploit, taking advantage of a dynamic document model and a language intended to layer a little bit of behaviour atop that model, and using it instead to deliver entire applications. It's a little like noticing that sed is Turing complete, and thus writing a text editor in sed. The Web is supposed to be about resources and links between them; that's what REST is about (in a very real sense, REST…
You are not giving reasons against SPAs which is what you said earlier, you are giving reasons for using the right tool for the job. Which nobody disagreed with from the beginning, not me anyway.