Yeah, I always took this to be rather leniently so as not to include ppl blocking off trucks or boats because they can always walk it. However, in that sense I guess a warning then if continued go to a slay/kick.
But also, those people spamming it to make people fall off boats, helicopters, waterwheels, those things fall in that same category (annoying, but still not killing people technically). If you jump while using it on one of those things, you can push people off the boat in some cases (a glitch that has never fully been fixed).