I don't know if it's the time I go, or what, but I have never seen anyone intentionally get someone with their stroller or scooter. Or go barreling through the parks with a stroller/stroller, thankfully. Most seem to be well aware of their surroundings...or at least smart enough to veer off to the side when looking at their phone, camera, maps or having to stop the stroller. The only time we did have any issues were people who would walk DIRECTLY across the path of my MIL in her scooter (replaced hips, knee and rod in back). She did her ABSOLUTE best to avoid ankles, shins....however the blatant disregard for her presence there was unnerving. People would walk their kids and families RIGHT in front of her or cut her off...KNOWING she was there.
I DO dislike the sea of strollers sometimes....especially the walkway between IASW and PPF, but I have just accepted it comes with the territory at a place like WDW and don't figure I have any less of a right to be there with kids than the person there without!