First, you can't delete it since it has upvoted answers.
Second, voting on Meta is a little different. You can gain or lose a lot for a simple question. On Meta, we express our agreement or disagreement with our votes. And since you propose a change, the best way to know if the community agrees is to let them vote.
This point is often learned by your first questions on Meta. Next time you will be thinking a lot more about the complications a proposal might have, the pros and cons. And even then sometimes we fail to do a proposal that sticks.
Bottom line is: don't let these votes disappoint you. Your internet are not worth that much. Learn from it.