The fact that Wizards have better ritual casting doesn't mean that Druid ritual casting is bad. It's still a very powerful and useful feature, and how well you use that feature makes a significant difference in your effectiveness as a Druid player.
Originally Posted by ProsecutorGodot
If statistics are the concern for game balance I can't think of a more worthwhile person for you to discuss it with, LudicSavant has provided this forum some of the single most useful tools in probability calculations and is a consistent source of sanity checking for this sort of thing.