I wonder why likes, stars, retweets and similar counters are not weighted by a reputation in a user visible way. For the user a tweet with 1000 botnet retweets

I wonder why likes, stars, retweets and similar counters are not weighted by a reputation in a user visible way. For the user a tweet with 1000 botnet retweets looks exactly like a tweet with 1000 retweets by experts in a given subject.