I actually like this idea, it may be one for the unofficial leaderboard though.
Please don't bump old threads
It works better with longer usernames. You have to look at mine for a while before you see that it's actually changing. Don't get me wrong, I like it a lot, but an option to change speed might be cool imo.
That's what I was about to suggest. I really don't enjoy clicking an arrow, then having to find it again, etc.
Head over to https://www.speedrun.com/mcece#All_Discs where this is already a category. This is the Java Edition leaderboard, not the Legacy Console Edition leaderboard.
Endermen only get mad if you look at them. What I usually do is go into 3rd person and look at the ground. So you can still see everything, but no Endermen will attack.