I was never a fan, especially for short work as I much prefer a DT.
For small flies no doubt but a Wulff Taper does a great job with bulky flies even at short distances. A 3 weight tossing hoppers really works better with it.
Not in my experience
And thusly we have now answered the question of why there are so many types of lines these days.
If something on the internet makes you angry the odds are you're being manipulated