Cecil Moore wrote:

Since waves cannot
exist without energy moving past a point, we can deduce that the
person has strongly implied that reflected waves don't exist.

100 watt rf generator driving an open, lossless transmission line. How
much energy do you think moves past a given point along the line every
second? 100 Joules, 200 Joules, or zero Joules?

73, Jim AC6XG