Who gives a flip how many different denominations there are...? Despite the insignificant theological differences between them,
Whoa Nellie! there are some crucial theological differences. Or does close enough for government work apply?
There are essential beliefs (such as those that I mentioned earlier), and there are non-essential beliefs. Individuals do have liberty in non-essential beliefs. Believers do have the personal freedom to have varying interpretations on theological issues that are not clearly presented in Scripture.
“Accept the one whose faith is weak, without passing judgment on disputable matters… Who are you to judge someone else’s servant? To their own master servants stand or fall… So then each of us will give an account of ourselves to God… So whatever you believe about these things keep between yourself and God.” - Romans 14:1, 4, 12, 22