Responses
Some do, but mostly they do it because a. They want advertising for their own site or b. They already paid their translators and staff so they don't want to waste the money. Also it's why you will sometimes see some of them intentionally update less and less so you go to their sites. Not everyone does this on here but I've seen it happen luckily other groups exist and they can pick them up
Why do certain groups continue translating over each other when they can spend their time translating other managa? Do they get paid for it?