People are insufferable, especially when they're contesting the same shared space over different ways of use. There' no point in hating dogs - or bicycles - they're not the problem, being inconsiderate is.
(That's for both sides, though there is a certain asymmetry in those cases. For example, my 4yo kid isn't going to kill an adult cyclist speeding down the narrow path in the park leading directly to the kindergarten, because they're in a hurry or it's some stupid "bicycle May" thing and they're scoring silly points, or something. The reverse however, is very much likely.)
(That's for both sides, though there is a certain asymmetry in those cases. For example, my 4yo kid isn't going to kill an adult cyclist speeding down the narrow path in the park leading directly to the kindergarten, because they're in a hurry or it's some stupid "bicycle May" thing and they're scoring silly points, or something. The reverse however, is very much likely.)