In 1995, the web was a cobbled together community of hobbyists and enthusiasts. Some had years of experience in the computer science field. Others had none at all. So any language made specifically for the web, needed to be both powerful and approachable to the average developer.
In this modern era of web development, we don’t really need a heavy-handed reset, or even a reset at all, because CSS browser compatibility issues are much less likely than they were in the old IE 6 days.