Never saw it as a huge problem personally.

I mean, sure there's sometimes people afk sitting on the crystal. But I've never had it stop me from getting the KI in the many many many times I've done it on me and my mules.

Now getting up the actual steps in the first place. Sometimes that can really annoy me.
Even if it's only for 10 seconds. It's still annoying.
And don't even think about trying to auto-follow your main with your mule up those steps. It ain't happening