Yeah most people only scroll one way, instead of spamming like crazy just work on your timing and you will be gucci my dude. Also your mouse is good, I have a similar one that i've been using for about a year now (g402), no complaints from me.
It's probably because you are scrolling with both mwheel up and down, the plugin needs some work (buttox pls). Try scrolling with just one of those and see if that helps. I don't know the specifics with this plugin but if you got a million jump inputs between your jumps it will think you are...