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Another good example to decrease = lower your own UA score / rank.
It's a nice picture of a butterfly, but your comment is completely out of context. That will not bring you real follows from real people, and as a consequence since other accounts are increasing their UA score, you are not, thus you will get a lower UA rank the next day!

^^^ Because UA is a probability distribution, the sum of all relative UA (the UA of all accounts added up) is equal to 100%. By providing comments such as these, that will not bring you new genuine followers, as a result your own following does not grow, but since that of others does grow, your own UA score is lowered.

The solution: read what people write, and interact with them by using your brain.