I don't understand this argument. TypeScript is just JS + type annotations — you should be able to boil away any fluff and be left with functioning JS. Whereas jQuery has actual runtime logic that would need to be reworked if you wanted a $-free solution.
The author goes on to say:
> This was even worse when the question was along the lines of “How do you do (jQuery thing) in JavaScript?”.
When would anyone ask "How do you do (TypeScript thing) in JavaScript"?