I understand the evo position here very well.
Clearly not, or you wouldn't be asking questions like:
Why wouldn't the black dot start new lineages, for example?
Now, when there is something in your opponents' position that you
do not understand then this is a sign that
you do not understand their position very well.
Do you see why that is?
Why do we always see, assuming common descent, a burst and then from that point in the line, no more?
Again, there is apparently something you don't understand.
I
think what you're missing is that the Y axis of the diagram represents time, but your question is itself unfortunately rather unclear.
Edited by Dr Adequate, : No reason given.