Interested in changing a Twitter to a private profile? Here’s why you might:
Increased Privacy: Your followers need permission to view your tweet; only those who you have allowed to follow you can be able to view your tweet.
Control Over Followers: Subscribe to and, or unfollow other users within the application.
Reduced Spam: This prevents communication from bots or other users which is not desirable.
Protected Content: Hinders social sharing of your tweets.
Peace of Mind: They peg a private account as being more secure online than a public one.
This article makes a good point, that changing the setting to private can enhance your overall experience of Twitter.
Read More: https://techyvibe.net/how-to-make-twitter-account-private/