Those are scams. The scammers create multiple Telegram groups in which they offer completely opposite tips, so they always will have an audience of people who will believe the managers of the Telegram group are extremely accurate or hold privileged information about those matches. When the gullible members of the last group (which was alledgedly right with all past predictions) are convinced they have found a gold mine, then those scammers take advantage of them by charging fees and then giving whatever prediction they want, without caring on the integrity of those who paid for the fee, as they already got what they wanted: money from those gullible people.

This is a typical scam which used to be popular before the invention of internet, scammers sent letters my mail offering tips for free, completely opposite to one half of their potential victims.