Sometimes when I'm winning, I start lagging and even get disconnected. Are the survivors responsible for this?

I just had a match as spirit where I was winning by a lot, against a team that was teabagging and flashlight blinding me. I had two people on hooks and one slugged after my devour reached 3 stacks.

When I was chasing the last survivor I suddenly got disconnected and was told something about dedicated servers not working. It really made me mad. But it also seemed so strange. Did the survivors actually somehow do this?

EDIT: forgot to add that sometimes, I'm the only one who gets 0 blood points after the disconnect.