Hate this in many people

Buddy please don't consider anyone wrong.
Different users have different reasons for not contributing.

"The giver is always an honorable person and it is the giver from whom the taker shall learn to give"

Yeah but why then are they leeching

Some leeches (Hirudo Medicinalis) are making a come back for micro surgery.
<a href="https://en.wikipedia.org/wiki/Hirudotherapy#Medicinal_use" target="_blank" rel="nofollow noopener noreferrer">Hirudotherapy Medicinal Use</a>
Let them be.
They come to suck, but may stay to 'white wash' as Tom Sawyer found.

Tom gave up the brush with reluctance in his face, but alacrity in his heart. And while the late steamer Big Missouri worked and sweated in the sun, the retired artist sat on a barrel in the shade close by, dangled his legs, munched his apple, and planned the slaughter of more innocents. There was no lack of material; boys happened along every little while; they came to jeer, but remained to whitewash. By the time Ben was fagged out, Tom had traded the next chance to Billy Fisher for a kite, in good repair; and when he played out, Johnny Miller bought in for a dead rat and a string to swing it with -- and so on, and so on, hour after hour. And when the middle of the afternoon came, from being a poor poverty-stricken boy in the morning, Tom was literally rolling in wealth. He had besides the things before mentioned, twelve marbles,

After all if everyone gives, there have to be some to receive.

Yeah convinced about it pal more population strikes here because of the leechers as they introduce CE to others